20199996

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3529}}^1$

素因数の和:3595

約数の個数: 48

約数和(自身を含む): 53373600

約数和(自身を除く): 33173604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3529, 5724, 7058, 10587, 14116, 21174, 31761, 42348, 63522, 95283, 127044, 187037, 190566, 374074, 381132, 561111, 748148, 1122222, 1683333, 2244444, 3366666, 5049999, 6733332, 10099998, 20199996]

約数ペア:

[(1, 20199996), (2, 10099998), (3, 6733332), (4, 5049999), (6, 3366666), (9, 2244444), (12, 1683333), (18, 1122222), (27, 748148), (36, 561111), (53, 381132), (54, 374074), (106, 190566), (108, 187037), (159, 127044), (212, 95283), (318, 63522), (477, 42348), (636, 31761), (954, 21174), (1431, 14116), (1908, 10587), (2862, 7058), (3529, 5724)]