20138646520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{32371}}^1$

素因数の和:32636

約数の個数: 64

約数和(自身を含む): 46056291840

約数和(自身を除く): 25917645320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 151, 206, 302, 412, 515, 604, 755, 824, 1030, 1208, 1510, 2060, 3020, 4120, 6040, 15553, 31106, 32371, 62212, 64742, 77765, 124424, 129484, 155530, 161855, 258968, 311060, 323710, 622120, 647420, 1294840, 3334213, 4888021, 6668426, 9776042, 13336852, 16671065, 19552084, 24440105, 26673704, 33342130, 39104168, 48880210, 66684260, 97760420, 133368520, 195520840, 503466163, 1006932326, 2013864652, 2517330815, 4027729304, 5034661630, 10069323260, 20138646520]

約数ペア:

[(1, 20138646520), (2, 10069323260), (4, 5034661630), (5, 4027729304), (8, 2517330815), (10, 2013864652), (20, 1006932326), (40, 503466163), (103, 195520840), (151, 133368520), (206, 97760420), (302, 66684260), (412, 48880210), (515, 39104168), (604, 33342130), (755, 26673704), (824, 24440105), (1030, 19552084), (1208, 16671065), (1510, 13336852), (2060, 9776042), (3020, 6668426), (4120, 4888021), (6040, 3334213), (15553, 1294840), (31106, 647420), (32371, 622120), (62212, 323710), (64742, 311060), (77765, 258968), (124424, 161855), (129484, 155530)]