20123432620

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3174043}}^1$

素因数の和:3174369

約数の個数: 24

約数和(自身を含む): 42392531664

約数和(自身を除く): 22269099044

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 3174043, 6348086, 12696172, 15870215, 31740430, 63480860, 1006171631, 2012343262, 4024686524, 5030858155, 10061716310, 20123432620]

約数ペア:

[(1, 20123432620), (2, 10061716310), (4, 5030858155), (5, 4024686524), (10, 2012343262), (20, 1006171631), (317, 63480860), (634, 31740430), (1268, 15870215), (1585, 12696172), (3170, 6348086), (6340, 3174043)]