20079810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 53870076

約数和(自身を除く): 33790266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 101, 141, 202, 235, 282, 303, 423, 470, 505, 606, 705, 846, 909, 1010, 1410, 1515, 1818, 2115, 2209, 3030, 4230, 4418, 4545, 4747, 6627, 9090, 9494, 11045, 13254, 14241, 19881, 22090, 23735, 28482, 33135, 39762, 42723, 47470, 66270, 71205, 85446, 99405, 142410, 198810, 213615, 223109, 427230, 446218, 669327, 1115545, 1338654, 2007981, 2231090, 3346635, 4015962, 6693270, 10039905, 20079810]

約数ペア:

[(1, 20079810), (2, 10039905), (3, 6693270), (5, 4015962), (6, 3346635), (9, 2231090), (10, 2007981), (15, 1338654), (18, 1115545), (30, 669327), (45, 446218), (47, 427230), (90, 223109), (94, 213615), (101, 198810), (141, 142410), (202, 99405), (235, 85446), (282, 71205), (303, 66270), (423, 47470), (470, 42723), (505, 39762), (606, 33135), (705, 28482), (846, 23735), (909, 22090), (1010, 19881), (1410, 14241), (1515, 13254), (1818, 11045), (2115, 9494), (2209, 9090), (3030, 6627), (4230, 4747), (4418, 4545)]