20009486340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^4\times {\mathrm{853}}^1$

素因数の和:944

約数の個数: 180

約数和(自身を含む): 64142493324

約数和(自身を除く): 44133006984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 853, 855, 1083, 1140, 1444, 1706, 1710, 1805, 2166, 2559, 3249, 3412, 3420, 3610, 4265, 4332, 5118, 5415, 6498, 6859, 7220, 7677, 8530, 10236, 10830, 12795, 12996, 13718, 15354, 16207, 16245, 17060, 20577, 21660, 25590, 27436, 30708, 32414, 32490, 34295, 38385, 41154, 48621, 51180, 61731, 64828, 64980, 68590, 76770, 81035, 82308, 97242, 102885, 123462, 130321, 137180, 145863, 153540, 162070, 194484, 205770, 243105, 246924, 260642, 291726, 307933, 308655, 324140, 390963, 411540, 486210, 521284, 583452, 615866, 617310, 651605, 729315, 781926, 923799, 972420, 1172889, 1231732, 1234620, 1303210, 1458630, 1539665, 1563852, 1847598, 1954815, 2345778, 2606420, 2771397, 2917260, 3079330, 3695196, 3909630, 4618995, 4691556, 5542794, 5850727, 5864445, 6158660, 7819260, 9237990, 11085588, 11701454, 11728890, 13856985, 17552181, 18475980, 23402908, 23457780, 27713970, 29253635, 35104362, 52656543, 55427940, 58507270, 70208724, 87760905, 105313086, 111163813, 117014540, 175521810, 210626172, 222327626, 263282715, 333491439, 351043620, 444655252, 526565430, 555819065, 666982878, 1000474317, 1053130860, 1111638130, 1333965756, 1667457195, 2000948634, 2223276260, 3334914390, 4001897268, 5002371585, 6669828780, 10004743170, 20009486340]

約数ペア:

[(1, 20009486340), (2, 10004743170), (3, 6669828780), (4, 5002371585), (5, 4001897268), (6, 3334914390), (9, 2223276260), (10, 2000948634), (12, 1667457195), (15, 1333965756), (18, 1111638130), (19, 1053130860), (20, 1000474317), (30, 666982878), (36, 555819065), (38, 526565430), (45, 444655252), (57, 351043620), (60, 333491439), (76, 263282715), (90, 222327626), (95, 210626172), (114, 175521810), (171, 117014540), (180, 111163813), (190, 105313086), (228, 87760905), (285, 70208724), (342, 58507270), (361, 55427940), (380, 52656543), (570, 35104362), (684, 29253635), (722, 27713970), (853, 23457780), (855, 23402908), (1083, 18475980), (1140, 17552181), (1444, 13856985), (1706, 11728890), (1710, 11701454), (1805, 11085588), (2166, 9237990), (2559, 7819260), (3249, 6158660), (3412, 5864445), (3420, 5850727), (3610, 5542794), (4265, 4691556), (4332, 4618995), (5118, 3909630), (5415, 3695196), (6498, 3079330), (6859, 2917260), (7220, 2771397), (7677, 2606420), (8530, 2345778), (10236, 1954815), (10830, 1847598), (12795, 1563852), (12996, 1539665), (13718, 1458630), (15354, 1303210), (16207, 1234620), (16245, 1231732), (17060, 1172889), (20577, 972420), (21660, 923799), (25590, 781926), (27436, 729315), (30708, 651605), (32414, 617310), (32490, 615866), (34295, 583452), (38385, 521284), (41154, 486210), (48621, 411540), (51180, 390963), (61731, 324140), (64828, 308655), (64980, 307933), (68590, 291726), (76770, 260642), (81035, 246924), (82308, 243105), (97242, 205770), (102885, 194484), (123462, 162070), (130321, 153540), (137180, 145863)]