20472060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 66447360

約数和(自身を除く): 45975300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 617, 790, 948, 1106, 1185, 1234, 1580, 1659, 1851, 2212, 2370, 2468, 2765, 3085, 3318, 3702, 4319, 4740, 5530, 6170, 6636, 7404, 8295, 8638, 9255, 11060, 12340, 12957, 16590, 17276, 18510, 21595, 25914, 33180, 37020, 43190, 48743, 51828, 64785, 86380, 97486, 129570, 146229, 194972, 243715, 259140, 292458, 341201, 487430, 584916, 682402, 731145, 974860, 1023603, 1364804, 1462290, 1706005, 2047206, 2924580, 3412010, 4094412, 5118015, 6824020, 10236030, 20472060]

約数ペア:

[(1, 20472060), (2, 10236030), (3, 6824020), (4, 5118015), (5, 4094412), (6, 3412010), (7, 2924580), (10, 2047206), (12, 1706005), (14, 1462290), (15, 1364804), (20, 1023603), (21, 974860), (28, 731145), (30, 682402), (35, 584916), (42, 487430), (60, 341201), (70, 292458), (79, 259140), (84, 243715), (105, 194972), (140, 146229), (158, 129570), (210, 97486), (237, 86380), (316, 64785), (395, 51828), (420, 48743), (474, 43190), (553, 37020), (617, 33180), (790, 25914), (948, 21595), (1106, 18510), (1185, 17276), (1234, 16590), (1580, 12957), (1659, 12340), (1851, 11060), (2212, 9255), (2370, 8638), (2468, 8295), (2765, 7404), (3085, 6636), (3318, 6170), (3702, 5530), (4319, 4740)]