15571820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 36656928

約数和(自身を除く): 21085108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 1913, 2035, 3826, 4070, 7652, 8140, 9565, 19130, 21043, 38260, 42086, 70781, 84172, 105215, 141562, 210430, 283124, 353905, 420860, 707810, 778591, 1415620, 1557182, 3114364, 3892955, 7785910, 15571820]

約数ペア:

[(1, 15571820), (2, 7785910), (4, 3892955), (5, 3114364), (10, 1557182), (11, 1415620), (20, 778591), (22, 707810), (37, 420860), (44, 353905), (55, 283124), (74, 210430), (110, 141562), (148, 105215), (185, 84172), (220, 70781), (370, 42086), (407, 38260), (740, 21043), (814, 19130), (1628, 9565), (1913, 8140), (2035, 7652), (3826, 4070)]