20079164020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1\times {\mathrm{6173}}^1$

素因数の和:7864

約数の個数: 48

約数和(自身を含む): 42609490560

約数和(自身を除く): 22530326540

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1579, 2060, 3158, 6173, 6316, 7895, 12346, 15790, 24692, 30865, 31580, 61730, 123460, 162637, 325274, 635819, 650548, 813185, 1271638, 1626370, 2543276, 3179095, 3252740, 6358190, 9747167, 12716380, 19494334, 38988668, 48735835, 97471670, 194943340, 1003958201, 2007916402, 4015832804, 5019791005, 10039582010, 20079164020]

約数ペア:

[(1, 20079164020), (2, 10039582010), (4, 5019791005), (5, 4015832804), (10, 2007916402), (20, 1003958201), (103, 194943340), (206, 97471670), (412, 48735835), (515, 38988668), (1030, 19494334), (1579, 12716380), (2060, 9747167), (3158, 6358190), (6173, 3252740), (6316, 3179095), (7895, 2543276), (12346, 1626370), (15790, 1271638), (24692, 813185), (30865, 650548), (31580, 635819), (61730, 325274), (123460, 162637)]