20201997310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1\times {\mathrm{2693}}^1$

素因数の和:4209

約数の個数: 64

約数和(自身を含む): 40556381184

約数和(自身を除く): 20354383874

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 1451, 2585, 2693, 2902, 5170, 5386, 7255, 13465, 14510, 15961, 26930, 29623, 31922, 59246, 68197, 79805, 126571, 136394, 148115, 159610, 253142, 296230, 340985, 632855, 681970, 750167, 1265710, 1392281, 1500334, 2784562, 3750835, 3907543, 6961405, 7501670, 7815086, 13922810, 19537715, 39075430, 42982973, 85965946, 183654521, 214914865, 367309042, 429829730, 918272605, 1836545210, 2020199731, 4040399462, 10100998655, 20201997310]

約数ペア:

[(1, 20201997310), (2, 10100998655), (5, 4040399462), (10, 2020199731), (11, 1836545210), (22, 918272605), (47, 429829730), (55, 367309042), (94, 214914865), (110, 183654521), (235, 85965946), (470, 42982973), (517, 39075430), (1034, 19537715), (1451, 13922810), (2585, 7815086), (2693, 7501670), (2902, 6961405), (5170, 3907543), (5386, 3750835), (7255, 2784562), (13465, 1500334), (14510, 1392281), (15961, 1265710), (26930, 750167), (29623, 681970), (31922, 632855), (59246, 340985), (68197, 296230), (79805, 253142), (126571, 159610), (136394, 148115)]