20534696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 48209280

約数和(自身を除く): 27674584

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 67, 91, 104, 134, 182, 268, 364, 421, 469, 536, 728, 842, 871, 938, 1684, 1742, 1876, 2947, 3368, 3484, 3752, 5473, 5894, 6097, 6968, 10946, 11788, 12194, 21892, 23576, 24388, 28207, 38311, 43784, 48776, 56414, 76622, 112828, 153244, 197449, 225656, 306488, 366691, 394898, 733382, 789796, 1466764, 1579592, 2566837, 2933528, 5133674, 10267348, 20534696]

約数ペア:

[(1, 20534696), (2, 10267348), (4, 5133674), (7, 2933528), (8, 2566837), (13, 1579592), (14, 1466764), (26, 789796), (28, 733382), (52, 394898), (56, 366691), (67, 306488), (91, 225656), (104, 197449), (134, 153244), (182, 112828), (268, 76622), (364, 56414), (421, 48776), (469, 43784), (536, 38311), (728, 28207), (842, 24388), (871, 23576), (938, 21892), (1684, 12194), (1742, 11788), (1876, 10946), (2947, 6968), (3368, 6097), (3484, 5894), (3752, 5473)]