20075580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 53468100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 113, 126, 135, 140, 141, 180, 188, 189, 210, 226, 235, 252, 270, 282, 315, 329, 339, 378, 420, 423, 452, 470, 540, 564, 565, 630, 658, 678, 705, 756, 791, 846, 940, 945, 987, 1017, 1130, 1260, 1269, 1316, 1356, 1410, 1582, 1645, 1692, 1695, 1890, 1974, 2034, 2115, 2260, 2373, 2538, 2820, 2961, 3051, 3164, 3290, 3390, 3780, 3948, 3955, 4068, 4230, 4746, 4935, 5076, 5085, 5311, 5922, 6102, 6345, 6580, 6780, 7119, 7910, 8460, 8883, 9492, 9870, 10170, 10622, 11844, 11865, 12204, 12690, 14238, 14805, 15255, 15820, 15933, 17766, 19740, 20340, 21244, 21357, 23730, 25380, 26555, 28476, 29610, 30510, 31866, 35532, 35595, 37177, 42714, 44415, 47460, 47799, 53110, 59220, 61020, 63732, 71190, 74354, 79665, 85428, 88830, 95598, 106220, 106785, 111531, 142380, 143397, 148708, 159330, 177660, 185885, 191196, 213570, 223062, 238995, 286794, 318660, 334593, 371770, 427140, 446124, 477990, 557655, 573588, 669186, 716985, 743540, 955980, 1003779, 1115310, 1338372, 1433970, 1672965, 2007558, 2230620, 2867940, 3345930, 4015116, 5018895, 6691860, 10037790, 20075580]

約数ペア:

[(1, 20075580), (2, 10037790), (3, 6691860), (4, 5018895), (5, 4015116), (6, 3345930), (7, 2867940), (9, 2230620), (10, 2007558), (12, 1672965), (14, 1433970), (15, 1338372), (18, 1115310), (20, 1003779), (21, 955980), (27, 743540), (28, 716985), (30, 669186), (35, 573588), (36, 557655), (42, 477990), (45, 446124), (47, 427140), (54, 371770), (60, 334593), (63, 318660), (70, 286794), (84, 238995), (90, 223062), (94, 213570), (105, 191196), (108, 185885), (113, 177660), (126, 159330), (135, 148708), (140, 143397), (141, 142380), (180, 111531), (188, 106785), (189, 106220), (210, 95598), (226, 88830), (235, 85428), (252, 79665), (270, 74354), (282, 71190), (315, 63732), (329, 61020), (339, 59220), (378, 53110), (420, 47799), (423, 47460), (452, 44415), (470, 42714), (540, 37177), (564, 35595), (565, 35532), (630, 31866), (658, 30510), (678, 29610), (705, 28476), (756, 26555), (791, 25380), (846, 23730), (940, 21357), (945, 21244), (987, 20340), (1017, 19740), (1130, 17766), (1260, 15933), (1269, 15820), (1316, 15255), (1356, 14805), (1410, 14238), (1582, 12690), (1645, 12204), (1692, 11865), (1695, 11844), (1890, 10622), (1974, 10170), (2034, 9870), (2115, 9492), (2260, 8883), (2373, 8460), (2538, 7910), (2820, 7119), (2961, 6780), (3051, 6580), (3164, 6345), (3290, 6102), (3390, 5922), (3780, 5311), (3948, 5085), (3955, 5076), (4068, 4935), (4230, 4746)]