20361160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 49017600

約数和(自身を除く): 28656440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 367, 380, 584, 730, 734, 760, 1387, 1460, 1468, 1835, 2774, 2920, 2936, 3670, 5548, 6935, 6973, 7340, 11096, 13870, 13946, 14680, 26791, 27740, 27892, 34865, 53582, 55480, 55784, 69730, 107164, 133955, 139460, 214328, 267910, 278920, 509029, 535820, 1018058, 1071640, 2036116, 2545145, 4072232, 5090290, 10180580, 20361160]

約数ペア:

[(1, 20361160), (2, 10180580), (4, 5090290), (5, 4072232), (8, 2545145), (10, 2036116), (19, 1071640), (20, 1018058), (38, 535820), (40, 509029), (73, 278920), (76, 267910), (95, 214328), (146, 139460), (152, 133955), (190, 107164), (292, 69730), (365, 55784), (367, 55480), (380, 53582), (584, 34865), (730, 27892), (734, 27740), (760, 26791), (1387, 14680), (1460, 13946), (1468, 13870), (1835, 11096), (2774, 7340), (2920, 6973), (2936, 6935), (3670, 5548)]