20137650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 36108750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 39, 46, 50, 65, 69, 75, 78, 115, 130, 138, 150, 195, 230, 299, 325, 345, 390, 449, 575, 598, 650, 690, 897, 898, 975, 1150, 1347, 1495, 1725, 1794, 1950, 2245, 2694, 2990, 3450, 4485, 4490, 5837, 6735, 7475, 8970, 10327, 11225, 11674, 13470, 14950, 17511, 20654, 22425, 22450, 29185, 30981, 33675, 35022, 44850, 51635, 58370, 61962, 67350, 87555, 103270, 134251, 145925, 154905, 175110, 258175, 268502, 291850, 309810, 402753, 437775, 516350, 671255, 774525, 805506, 875550, 1342510, 1549050, 2013765, 3356275, 4027530, 6712550, 10068825, 20137650]

約数ペア:

[(1, 20137650), (2, 10068825), (3, 6712550), (5, 4027530), (6, 3356275), (10, 2013765), (13, 1549050), (15, 1342510), (23, 875550), (25, 805506), (26, 774525), (30, 671255), (39, 516350), (46, 437775), (50, 402753), (65, 309810), (69, 291850), (75, 268502), (78, 258175), (115, 175110), (130, 154905), (138, 145925), (150, 134251), (195, 103270), (230, 87555), (299, 67350), (325, 61962), (345, 58370), (390, 51635), (449, 44850), (575, 35022), (598, 33675), (650, 30981), (690, 29185), (897, 22450), (898, 22425), (975, 20654), (1150, 17511), (1347, 14950), (1495, 13470), (1725, 11674), (1794, 11225), (1950, 10327), (2245, 8970), (2694, 7475), (2990, 6735), (3450, 5837), (4485, 4490)]