20177189812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 39491020800

約数和(自身を除く): 19313830988

約数列:

[1, 2, 4, 13, 26, 52, 59, 71, 118, 142, 211, 236, 284, 422, 439, 767, 844, 878, 923, 1534, 1756, 1846, 2743, 3068, 3692, 4189, 5486, 5707, 8378, 10972, 11414, 12449, 14981, 16756, 22828, 24898, 25901, 29962, 31169, 49796, 51802, 54457, 59924, 62338, 92629, 103604, 108914, 124676, 161837, 185258, 194753, 217828, 323674, 336713, 370516, 389506, 405197, 647348, 673426, 779012, 810394, 883879, 1204177, 1346852, 1620788, 1767758, 1838971, 2408354, 3535516, 3677942, 4816708, 5465111, 6576659, 7355884, 10930222, 11490427, 13153318, 21860444, 22980854, 23906623, 26306636, 45961708, 47813246, 71046443, 85496567, 95626492, 142092886, 170993134, 284185772, 341986268, 388022881, 776045762, 1552091524, 5044297453, 10088594906, 20177189812]

約数ペア:

[(1, 20177189812), (2, 10088594906), (4, 5044297453), (13, 1552091524), (26, 776045762), (52, 388022881), (59, 341986268), (71, 284185772), (118, 170993134), (142, 142092886), (211, 95626492), (236, 85496567), (284, 71046443), (422, 47813246), (439, 45961708), (767, 26306636), (844, 23906623), (878, 22980854), (923, 21860444), (1534, 13153318), (1756, 11490427), (1846, 10930222), (2743, 7355884), (3068, 6576659), (3692, 5465111), (4189, 4816708), (5486, 3677942), (5707, 3535516), (8378, 2408354), (10972, 1838971), (11414, 1767758), (12449, 1620788), (14981, 1346852), (16756, 1204177), (22828, 883879), (24898, 810394), (25901, 779012), (29962, 673426), (31169, 647348), (49796, 405197), (51802, 389506), (54457, 370516), (59924, 336713), (62338, 323674), (92629, 217828), (103604, 194753), (108914, 185258), (124676, 161837)]