20947446

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89519}}^1$

素因数の和:89540

約数の個数: 24

約数和(自身を含む): 48877920

約数和(自身を除く): 27930474

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89519, 179038, 268557, 537114, 805671, 1163747, 1611342, 2327494, 3491241, 6982482, 10473723, 20947446]

約数ペア:

[(1, 20947446), (2, 10473723), (3, 6982482), (6, 3491241), (9, 2327494), (13, 1611342), (18, 1163747), (26, 805671), (39, 537114), (78, 268557), (117, 179038), (234, 89519)]