20807442992

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3505297}}^1$

素因数の和:3505365

約数の個数: 40

約数和(自身を含む): 46942950816

約数和(自身を除く): 26135507824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 3505297, 7010594, 14021188, 24537079, 28042376, 49074158, 56084752, 98148316, 185780741, 196296632, 371561482, 392593264, 743122964, 1300465187, 1486245928, 2600930374, 2972491856, 5201860748, 10403721496, 20807442992]

約数ペア:

[(1, 20807442992), (2, 10403721496), (4, 5201860748), (7, 2972491856), (8, 2600930374), (14, 1486245928), (16, 1300465187), (28, 743122964), (53, 392593264), (56, 371561482), (106, 196296632), (112, 185780741), (212, 98148316), (371, 56084752), (424, 49074158), (742, 28042376), (848, 24537079), (1484, 14021188), (2968, 7010594), (5936, 3505297)]