20969439140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2069}}^1\times {\mathrm{2293}}^1$

素因数の和:4401

約数の個数: 96

約数和(自身を含む): 50258970720

約数和(自身を除く): 29289531580

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2069, 2210, 2293, 4138, 4420, 4586, 8276, 9172, 10345, 11465, 20690, 22930, 26897, 29809, 35173, 38981, 41380, 45860, 53794, 59618, 70346, 77962, 107588, 119236, 134485, 140692, 149045, 155924, 175865, 194905, 268970, 298090, 351730, 389810, 457249, 506753, 537940, 596180, 703460, 779620, 914498, 1013506, 1828996, 2027012, 2286245, 2533765, 4572490, 4744217, 5067530, 9144980, 9488434, 10135060, 18976868, 23721085, 47442170, 61674821, 80651689, 94884340, 123349642, 161303378, 246699284, 308374105, 322606756, 403258445, 616748210, 806516890, 1048471957, 1233496420, 1613033780, 2096943914, 4193887828, 5242359785, 10484719570, 20969439140]

約数ペア:

[(1, 20969439140), (2, 10484719570), (4, 5242359785), (5, 4193887828), (10, 2096943914), (13, 1613033780), (17, 1233496420), (20, 1048471957), (26, 806516890), (34, 616748210), (52, 403258445), (65, 322606756), (68, 308374105), (85, 246699284), (130, 161303378), (170, 123349642), (221, 94884340), (260, 80651689), (340, 61674821), (442, 47442170), (884, 23721085), (1105, 18976868), (2069, 10135060), (2210, 9488434), (2293, 9144980), (4138, 5067530), (4420, 4744217), (4586, 4572490), (8276, 2533765), (9172, 2286245), (10345, 2027012), (11465, 1828996), (20690, 1013506), (22930, 914498), (26897, 779620), (29809, 703460), (35173, 596180), (38981, 537940), (41380, 506753), (45860, 457249), (53794, 389810), (59618, 351730), (70346, 298090), (77962, 268970), (107588, 194905), (119236, 175865), (134485, 155924), (140692, 149045)]