20136375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2585

約数の個数: 48

約数和(自身を含む): 41500992

約数和(自身を除く): 21364617

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2557, 2625, 7671, 7875, 12785, 17899, 23013, 38355, 53697, 63925, 89495, 115065, 161091, 191775, 268485, 319625, 447475, 575325, 805455, 958875, 1342425, 2237375, 2876625, 4027275, 6712125, 20136375]

約数ペア:

[(1, 20136375), (3, 6712125), (5, 4027275), (7, 2876625), (9, 2237375), (15, 1342425), (21, 958875), (25, 805455), (35, 575325), (45, 447475), (63, 319625), (75, 268485), (105, 191775), (125, 161091), (175, 115065), (225, 89495), (315, 63925), (375, 53697), (525, 38355), (875, 23013), (1125, 17899), (1575, 12785), (2557, 7875), (2625, 7671)]