20275320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 67314240

約数和(自身を除く): 47038920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 317, 328, 390, 410, 492, 520, 533, 615, 634, 780, 820, 951, 984, 1066, 1230, 1268, 1560, 1585, 1599, 1640, 1902, 2132, 2460, 2536, 2665, 3170, 3198, 3804, 4121, 4264, 4755, 4920, 5330, 6340, 6396, 7608, 7995, 8242, 9510, 10660, 12363, 12680, 12792, 12997, 15990, 16484, 19020, 20605, 21320, 24726, 25994, 31980, 32968, 38040, 38991, 41210, 49452, 51988, 61815, 63960, 64985, 77982, 82420, 98904, 103976, 123630, 129970, 155964, 164840, 168961, 194955, 247260, 259940, 311928, 337922, 389910, 494520, 506883, 519880, 675844, 779820, 844805, 1013766, 1351688, 1559640, 1689610, 2027532, 2534415, 3379220, 4055064, 5068830, 6758440, 10137660, 20275320]

約数ペア:

[(1, 20275320), (2, 10137660), (3, 6758440), (4, 5068830), (5, 4055064), (6, 3379220), (8, 2534415), (10, 2027532), (12, 1689610), (13, 1559640), (15, 1351688), (20, 1013766), (24, 844805), (26, 779820), (30, 675844), (39, 519880), (40, 506883), (41, 494520), (52, 389910), (60, 337922), (65, 311928), (78, 259940), (82, 247260), (104, 194955), (120, 168961), (123, 164840), (130, 155964), (156, 129970), (164, 123630), (195, 103976), (205, 98904), (246, 82420), (260, 77982), (312, 64985), (317, 63960), (328, 61815), (390, 51988), (410, 49452), (492, 41210), (520, 38991), (533, 38040), (615, 32968), (634, 31980), (780, 25994), (820, 24726), (951, 21320), (984, 20605), (1066, 19020), (1230, 16484), (1268, 15990), (1560, 12997), (1585, 12792), (1599, 12680), (1640, 12363), (1902, 10660), (2132, 9510), (2460, 8242), (2536, 7995), (2665, 7608), (3170, 6396), (3198, 6340), (3804, 5330), (4121, 4920), (4264, 4755)]