20123160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 63307440

約数和(自身を除く): 43184280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 317, 345, 460, 529, 552, 634, 690, 920, 951, 1058, 1268, 1380, 1585, 1587, 1902, 2116, 2536, 2645, 2760, 3170, 3174, 3804, 4232, 4755, 5290, 6340, 6348, 7291, 7608, 7935, 9510, 10580, 12680, 12696, 14582, 15870, 19020, 21160, 21873, 29164, 31740, 36455, 38040, 43746, 58328, 63480, 72910, 87492, 109365, 145820, 167693, 174984, 218730, 291640, 335386, 437460, 503079, 670772, 838465, 874920, 1006158, 1341544, 1676930, 2012316, 2515395, 3353860, 4024632, 5030790, 6707720, 10061580, 20123160]

約数ペア:

[(1, 20123160), (2, 10061580), (3, 6707720), (4, 5030790), (5, 4024632), (6, 3353860), (8, 2515395), (10, 2012316), (12, 1676930), (15, 1341544), (20, 1006158), (23, 874920), (24, 838465), (30, 670772), (40, 503079), (46, 437460), (60, 335386), (69, 291640), (92, 218730), (115, 174984), (120, 167693), (138, 145820), (184, 109365), (230, 87492), (276, 72910), (317, 63480), (345, 58328), (460, 43746), (529, 38040), (552, 36455), (634, 31740), (690, 29164), (920, 21873), (951, 21160), (1058, 19020), (1268, 15870), (1380, 14582), (1585, 12696), (1587, 12680), (1902, 10580), (2116, 9510), (2536, 7935), (2645, 7608), (2760, 7291), (3170, 6348), (3174, 6340), (3804, 5290), (4232, 4755)]