20933016

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^3\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 56834400

約数和(自身を除く): 35901384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 397, 507, 676, 794, 1014, 1191, 1352, 1588, 2028, 2197, 2382, 3176, 4056, 4394, 4764, 5161, 6591, 8788, 9528, 10322, 13182, 15483, 17576, 20644, 26364, 30966, 41288, 52728, 61932, 67093, 123864, 134186, 201279, 268372, 402558, 536744, 805116, 872209, 1610232, 1744418, 2616627, 3488836, 5233254, 6977672, 10466508, 20933016]

約数ペア:

[(1, 20933016), (2, 10466508), (3, 6977672), (4, 5233254), (6, 3488836), (8, 2616627), (12, 1744418), (13, 1610232), (24, 872209), (26, 805116), (39, 536744), (52, 402558), (78, 268372), (104, 201279), (156, 134186), (169, 123864), (312, 67093), (338, 61932), (397, 52728), (507, 41288), (676, 30966), (794, 26364), (1014, 20644), (1191, 17576), (1352, 15483), (1588, 13182), (2028, 10322), (2197, 9528), (2382, 8788), (3176, 6591), (4056, 5161), (4394, 4764)]