20740055

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 8895145

約数列:

[1, 5, 7, 35, 41, 97, 149, 205, 287, 485, 679, 745, 1043, 1435, 3395, 3977, 5215, 6109, 14453, 19885, 27839, 30545, 42763, 72265, 101171, 139195, 213815, 505855, 592573, 2962865, 4148011, 20740055]

約数ペア:

[(1, 20740055), (5, 4148011), (7, 2962865), (35, 592573), (41, 505855), (97, 213815), (149, 139195), (205, 101171), (287, 72265), (485, 42763), (679, 30545), (745, 27839), (1043, 19885), (1435, 14453), (3395, 6109), (3977, 5215)]