20131718720

素因数分解:

$2^6\times 5^1\times {\mathrm{62911621}}^1$

素因数の和:62911638

約数の個数: 28

約数和(自身を含む): 47938655964

約数和(自身を除く): 27806937244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62911621, 125823242, 251646484, 314558105, 503292968, 629116210, 1006585936, 1258232420, 2013171872, 2516464840, 4026343744, 5032929680, 10065859360, 20131718720]

約数ペア:

[(1, 20131718720), (2, 10065859360), (4, 5032929680), (5, 4026343744), (8, 2516464840), (10, 2013171872), (16, 1258232420), (20, 1006585936), (32, 629116210), (40, 503292968), (64, 314558105), (80, 251646484), (160, 125823242), (320, 62911621)]