20436390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17467}}^1$

素因数の和:17493

約数の個数: 48

約数和(自身を含む): 57225168

約数和(自身を除く): 36788778

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17467, 34934, 52401, 87335, 104802, 157203, 174670, 227071, 262005, 314406, 454142, 524010, 681213, 786015, 1135355, 1362426, 1572030, 2043639, 2270710, 3406065, 4087278, 6812130, 10218195, 20436390]

約数ペア:

[(1, 20436390), (2, 10218195), (3, 6812130), (5, 4087278), (6, 3406065), (9, 2270710), (10, 2043639), (13, 1572030), (15, 1362426), (18, 1135355), (26, 786015), (30, 681213), (39, 524010), (45, 454142), (65, 314406), (78, 262005), (90, 227071), (117, 174670), (130, 157203), (195, 104802), (234, 87335), (390, 52401), (585, 34934), (1170, 17467)]