20565213410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1\times {\mathrm{8243}}^1$

素因数の和:9515

約数の個数: 64

約数和(自身を含む): 43805318400

約数和(自身を除く): 23240104990

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 1229, 2030, 2458, 6145, 8243, 8603, 12290, 16486, 17206, 35641, 41215, 43015, 57701, 71282, 82430, 86030, 115402, 178205, 239047, 249487, 288505, 356410, 478094, 498974, 577010, 1195235, 1247435, 1673329, 2390470, 2494870, 3346658, 8366645, 10130647, 16733290, 20261294, 50653235, 70914529, 101306470, 141829058, 293788763, 354572645, 587577526, 709145290, 1468943815, 2056521341, 2937887630, 4113042682, 10282606705, 20565213410]

約数ペア:

[(1, 20565213410), (2, 10282606705), (5, 4113042682), (7, 2937887630), (10, 2056521341), (14, 1468943815), (29, 709145290), (35, 587577526), (58, 354572645), (70, 293788763), (145, 141829058), (203, 101306470), (290, 70914529), (406, 50653235), (1015, 20261294), (1229, 16733290), (2030, 10130647), (2458, 8366645), (6145, 3346658), (8243, 2494870), (8603, 2390470), (12290, 1673329), (16486, 1247435), (17206, 1195235), (35641, 577010), (41215, 498974), (43015, 478094), (57701, 356410), (71282, 288505), (82430, 249487), (86030, 239047), (115402, 178205)]