23406920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 54840240

約数和(自身を除く): 31433320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 181, 212, 244, 265, 305, 362, 424, 488, 530, 610, 724, 905, 1060, 1220, 1448, 1810, 2120, 2440, 3233, 3620, 6466, 7240, 9593, 11041, 12932, 16165, 19186, 22082, 25864, 32330, 38372, 44164, 47965, 55205, 64660, 76744, 88328, 95930, 110410, 129320, 191860, 220820, 383720, 441640, 585173, 1170346, 2340692, 2925865, 4681384, 5851730, 11703460, 23406920]

約数ペア:

[(1, 23406920), (2, 11703460), (4, 5851730), (5, 4681384), (8, 2925865), (10, 2340692), (20, 1170346), (40, 585173), (53, 441640), (61, 383720), (106, 220820), (122, 191860), (181, 129320), (212, 110410), (244, 95930), (265, 88328), (305, 76744), (362, 64660), (424, 55205), (488, 47965), (530, 44164), (610, 38372), (724, 32330), (905, 25864), (1060, 22082), (1220, 19186), (1448, 16165), (1810, 12932), (2120, 11041), (2440, 9593), (3233, 7240), (3620, 6466)]