20896470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:870

約数の個数: 96

約数和(自身を含む): 63685440

約数和(自身を除く): 42788970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 41, 42, 45, 63, 70, 82, 90, 105, 123, 126, 205, 210, 246, 287, 315, 369, 410, 574, 615, 630, 738, 809, 861, 1230, 1435, 1618, 1722, 1845, 2427, 2583, 2870, 3690, 4045, 4305, 4854, 5166, 5663, 7281, 8090, 8610, 11326, 12135, 12915, 14562, 16989, 24270, 25830, 28315, 33169, 33978, 36405, 50967, 56630, 66338, 72810, 84945, 99507, 101934, 165845, 169890, 199014, 232183, 254835, 298521, 331690, 464366, 497535, 509670, 597042, 696549, 995070, 1160915, 1393098, 1492605, 2089647, 2321830, 2985210, 3482745, 4179294, 6965490, 10448235, 20896470]

約数ペア:

[(1, 20896470), (2, 10448235), (3, 6965490), (5, 4179294), (6, 3482745), (7, 2985210), (9, 2321830), (10, 2089647), (14, 1492605), (15, 1393098), (18, 1160915), (21, 995070), (30, 696549), (35, 597042), (41, 509670), (42, 497535), (45, 464366), (63, 331690), (70, 298521), (82, 254835), (90, 232183), (105, 199014), (123, 169890), (126, 165845), (205, 101934), (210, 99507), (246, 84945), (287, 72810), (315, 66338), (369, 56630), (410, 50967), (574, 36405), (615, 33978), (630, 33169), (738, 28315), (809, 25830), (861, 24270), (1230, 16989), (1435, 14562), (1618, 12915), (1722, 12135), (1845, 11326), (2427, 8610), (2583, 8090), (2870, 7281), (3690, 5663), (4045, 5166), (4305, 4854)]