20229460420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:558

約数の個数: 192

約数和(自身を含む): 49363776000

約数和(自身を除く): 29134315580

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 109, 130, 170, 199, 211, 218, 221, 260, 340, 398, 422, 436, 442, 545, 796, 844, 884, 995, 1055, 1090, 1105, 1417, 1853, 1990, 2110, 2180, 2210, 2587, 2743, 2834, 3383, 3587, 3706, 3980, 4220, 4420, 5174, 5486, 5668, 6766, 7085, 7174, 7412, 9265, 10348, 10972, 12935, 13532, 13715, 14170, 14348, 16915, 17935, 18530, 21691, 22999, 24089, 25870, 27430, 28340, 33830, 35870, 37060, 41989, 43382, 43979, 45998, 46631, 48178, 51740, 54860, 67660, 71740, 83978, 86764, 87958, 91996, 93262, 96356, 108455, 114995, 120445, 167956, 175916, 186524, 209945, 216910, 219895, 229990, 233155, 240890, 281983, 298987, 368747, 390983, 419890, 433820, 439790, 459980, 466310, 481780, 545857, 563966, 597974, 713813, 737494, 781966, 839780, 879580, 932620, 1091714, 1127932, 1195948, 1409915, 1427626, 1474988, 1494935, 1563932, 1843735, 1954915, 2183428, 2729285, 2819830, 2855252, 2989870, 3569065, 3687470, 3909830, 4576801, 4793711, 5082779, 5458570, 5639660, 5979740, 7138130, 7374940, 7819660, 9153602, 9279569, 9587422, 10165558, 10917140, 14276260, 18307204, 18559138, 19174844, 20331116, 22884005, 23968555, 25413895, 37118276, 45768010, 46397845, 47937110, 50827790, 59498413, 77805617, 91536020, 92795690, 95874220, 101655580, 118996826, 155611234, 185591380, 237993652, 297492065, 311222468, 389028085, 594984130, 778056170, 1011473021, 1189968260, 1556112340, 2022946042, 4045892084, 5057365105, 10114730210, 20229460420]

約数ペア:

[(1, 20229460420), (2, 10114730210), (4, 5057365105), (5, 4045892084), (10, 2022946042), (13, 1556112340), (17, 1189968260), (20, 1011473021), (26, 778056170), (34, 594984130), (52, 389028085), (65, 311222468), (68, 297492065), (85, 237993652), (109, 185591380), (130, 155611234), (170, 118996826), (199, 101655580), (211, 95874220), (218, 92795690), (221, 91536020), (260, 77805617), (340, 59498413), (398, 50827790), (422, 47937110), (436, 46397845), (442, 45768010), (545, 37118276), (796, 25413895), (844, 23968555), (884, 22884005), (995, 20331116), (1055, 19174844), (1090, 18559138), (1105, 18307204), (1417, 14276260), (1853, 10917140), (1990, 10165558), (2110, 9587422), (2180, 9279569), (2210, 9153602), (2587, 7819660), (2743, 7374940), (2834, 7138130), (3383, 5979740), (3587, 5639660), (3706, 5458570), (3980, 5082779), (4220, 4793711), (4420, 4576801), (5174, 3909830), (5486, 3687470), (5668, 3569065), (6766, 2989870), (7085, 2855252), (7174, 2819830), (7412, 2729285), (9265, 2183428), (10348, 1954915), (10972, 1843735), (12935, 1563932), (13532, 1494935), (13715, 1474988), (14170, 1427626), (14348, 1409915), (16915, 1195948), (17935, 1127932), (18530, 1091714), (21691, 932620), (22999, 879580), (24089, 839780), (25870, 781966), (27430, 737494), (28340, 713813), (33830, 597974), (35870, 563966), (37060, 545857), (41989, 481780), (43382, 466310), (43979, 459980), (45998, 439790), (46631, 433820), (48178, 419890), (51740, 390983), (54860, 368747), (67660, 298987), (71740, 281983), (83978, 240890), (86764, 233155), (87958, 229990), (91996, 219895), (93262, 216910), (96356, 209945), (108455, 186524), (114995, 175916), (120445, 167956)]