20214682705

素因数分解:

$5^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{89977}}^1$

素因数の和:90134

約数の個数: 32

約数和(自身を含む): 28505030400

約数和(自身を除く): 8290347695

約数列:

[1, 5, 7, 35, 49, 131, 245, 343, 655, 917, 1715, 4585, 6419, 32095, 44933, 89977, 224665, 449885, 629839, 3149195, 4408873, 11786987, 22044365, 30862111, 58934935, 82508909, 154310555, 412544545, 577562363, 2887811815, 4042936541, 20214682705]

約数ペア:

[(1, 20214682705), (5, 4042936541), (7, 2887811815), (35, 577562363), (49, 412544545), (131, 154310555), (245, 82508909), (343, 58934935), (655, 30862111), (917, 22044365), (1715, 11786987), (4585, 4408873), (6419, 3149195), (32095, 629839), (44933, 449885), (89977, 224665)]