20433075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 38330880

約数和(自身を除く): 17897805

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1103, 1235, 1425, 3309, 3705, 5515, 6175, 14339, 16545, 18525, 20957, 27575, 43017, 62871, 71695, 82725, 104785, 215085, 272441, 314355, 358475, 523925, 817323, 1075425, 1362205, 1571775, 4086615, 6811025, 20433075]

約数ペア:

[(1, 20433075), (3, 6811025), (5, 4086615), (13, 1571775), (15, 1362205), (19, 1075425), (25, 817323), (39, 523925), (57, 358475), (65, 314355), (75, 272441), (95, 215085), (195, 104785), (247, 82725), (285, 71695), (325, 62871), (475, 43017), (741, 27575), (975, 20957), (1103, 18525), (1235, 16545), (1425, 14339), (3309, 6175), (3705, 5515)]