20199242625

素因数分解:

$3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{12437}}^1$

素因数の和:12587

約数の個数: 64

約数和(自身を含む): 34646496768

約数和(自身を除く): 14447254143

約数列:

[1, 3, 5, 15, 25, 61, 71, 75, 125, 183, 213, 305, 355, 375, 915, 1065, 1525, 1775, 4331, 4575, 5325, 7625, 8875, 12437, 12993, 21655, 22875, 26625, 37311, 62185, 64965, 108275, 186555, 310925, 324825, 541375, 758657, 883027, 932775, 1554625, 1624125, 2275971, 2649081, 3793285, 4415135, 4663875, 11379855, 13245405, 18966425, 22075675, 53864647, 56899275, 66227025, 94832125, 110378375, 161593941, 269323235, 284496375, 331135125, 807969705, 1346616175, 4039848525, 6733080875, 20199242625]

約数ペア:

[(1, 20199242625), (3, 6733080875), (5, 4039848525), (15, 1346616175), (25, 807969705), (61, 331135125), (71, 284496375), (75, 269323235), (125, 161593941), (183, 110378375), (213, 94832125), (305, 66227025), (355, 56899275), (375, 53864647), (915, 22075675), (1065, 18966425), (1525, 13245405), (1775, 11379855), (4331, 4663875), (4575, 4415135), (5325, 3793285), (7625, 2649081), (8875, 2275971), (12437, 1624125), (12993, 1554625), (21655, 932775), (22875, 883027), (26625, 758657), (37311, 541375), (62185, 324825), (64965, 310925), (108275, 186555)]