20682168

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 56179200

約数和(自身を除く): 35497032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 151, 156, 302, 312, 439, 453, 604, 878, 906, 1208, 1317, 1756, 1812, 1963, 2634, 3512, 3624, 3926, 5268, 5707, 5889, 7852, 10536, 11414, 11778, 15704, 17121, 22828, 23556, 34242, 45656, 47112, 66289, 68484, 132578, 136968, 198867, 265156, 397734, 530312, 795468, 861757, 1590936, 1723514, 2585271, 3447028, 5170542, 6894056, 10341084, 20682168]

約数ペア:

[(1, 20682168), (2, 10341084), (3, 6894056), (4, 5170542), (6, 3447028), (8, 2585271), (12, 1723514), (13, 1590936), (24, 861757), (26, 795468), (39, 530312), (52, 397734), (78, 265156), (104, 198867), (151, 136968), (156, 132578), (302, 68484), (312, 66289), (439, 47112), (453, 45656), (604, 34242), (878, 23556), (906, 22828), (1208, 17121), (1317, 15704), (1756, 11778), (1812, 11414), (1963, 10536), (2634, 7852), (3512, 5889), (3624, 5707), (3926, 5268)]