20925708

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1531}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 52504704

約数和(自身を除く): 31578996

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 67, 68, 102, 134, 201, 204, 268, 402, 804, 1139, 1531, 2278, 3062, 3417, 4556, 4593, 6124, 6834, 9186, 13668, 18372, 26027, 52054, 78081, 102577, 104108, 156162, 205154, 307731, 312324, 410308, 615462, 1230924, 1743809, 3487618, 5231427, 6975236, 10462854, 20925708]

約数ペア:

[(1, 20925708), (2, 10462854), (3, 6975236), (4, 5231427), (6, 3487618), (12, 1743809), (17, 1230924), (34, 615462), (51, 410308), (67, 312324), (68, 307731), (102, 205154), (134, 156162), (201, 104108), (204, 102577), (268, 78081), (402, 52054), (804, 26027), (1139, 18372), (1531, 13668), (2278, 9186), (3062, 6834), (3417, 6124), (4556, 4593)]