20132649850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{161773}}^1$

素因数の和:161935

約数の個数: 48

約数和(自身を含む): 39718752480

約数和(自身を除く): 19586102630

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 131, 190, 262, 475, 655, 950, 1310, 2489, 3275, 4978, 6550, 12445, 24890, 62225, 124450, 161773, 323546, 808865, 1617730, 3073687, 4044325, 6147374, 8088650, 15368435, 21192263, 30736870, 42384526, 76842175, 105961315, 153684350, 211922630, 402652997, 529806575, 805305994, 1059613150, 2013264985, 4026529970, 10066324925, 20132649850]

約数ペア:

[(1, 20132649850), (2, 10066324925), (5, 4026529970), (10, 2013264985), (19, 1059613150), (25, 805305994), (38, 529806575), (50, 402652997), (95, 211922630), (131, 153684350), (190, 105961315), (262, 76842175), (475, 42384526), (655, 30736870), (950, 21192263), (1310, 15368435), (2489, 8088650), (3275, 6147374), (4978, 4044325), (6550, 3073687), (12445, 1617730), (24890, 808865), (62225, 323546), (124450, 161773)]