20343357788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 40177428480

約数和(自身を除く): 19834070692

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 139, 163, 278, 326, 403, 556, 557, 652, 806, 1114, 1612, 1807, 2119, 2228, 3614, 4238, 4309, 5053, 7228, 7241, 8476, 8618, 10106, 14482, 17236, 17267, 20212, 22657, 28964, 34534, 45314, 56017, 65689, 69068, 77423, 90628, 90791, 112034, 131378, 154846, 181582, 224068, 224471, 262756, 294541, 309692, 363164, 448942, 589082, 702367, 897884, 1006499, 1178164, 1180283, 1404734, 2012998, 2360566, 2400113, 2809468, 2814521, 4025996, 4721132, 4800226, 5629042, 9130771, 9600452, 11258084, 12619949, 18261542, 25239898, 31201469, 36523084, 36588773, 50479796, 62402938, 73177546, 124805876, 146355092, 164059337, 328118674, 391218419, 656237348, 782436838, 1564873676, 5085839447, 10171678894, 20343357788]

約数ペア:

[(1, 20343357788), (2, 10171678894), (4, 5085839447), (13, 1564873676), (26, 782436838), (31, 656237348), (52, 391218419), (62, 328118674), (124, 164059337), (139, 146355092), (163, 124805876), (278, 73177546), (326, 62402938), (403, 50479796), (556, 36588773), (557, 36523084), (652, 31201469), (806, 25239898), (1114, 18261542), (1612, 12619949), (1807, 11258084), (2119, 9600452), (2228, 9130771), (3614, 5629042), (4238, 4800226), (4309, 4721132), (5053, 4025996), (7228, 2814521), (7241, 2809468), (8476, 2400113), (8618, 2360566), (10106, 2012998), (14482, 1404734), (17236, 1180283), (17267, 1178164), (20212, 1006499), (22657, 897884), (28964, 702367), (34534, 589082), (45314, 448942), (56017, 363164), (65689, 309692), (69068, 294541), (77423, 262756), (90628, 224471), (90791, 224068), (112034, 181582), (131378, 154846)]