20123951224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{124919}}^1$

素因数の和:126487

約数の個数: 32

約数和(自身を含む): 40661460000

約数和(自身を除く): 20537508776

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1549, 3098, 6196, 12392, 20137, 40274, 80548, 124919, 161096, 249838, 499676, 999352, 1623947, 3247894, 6495788, 12991576, 193499531, 386999062, 773998124, 1547996248, 2515493903, 5030987806, 10061975612, 20123951224]

約数ペア:

[(1, 20123951224), (2, 10061975612), (4, 5030987806), (8, 2515493903), (13, 1547996248), (26, 773998124), (52, 386999062), (104, 193499531), (1549, 12991576), (3098, 6495788), (6196, 3247894), (12392, 1623947), (20137, 999352), (40274, 499676), (80548, 249838), (124919, 161096)]