20808637492

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{385831}}^1$

素因数の和:386071

約数の個数: 24

約数和(自身を含む): 37055305280

約数和(自身を除く): 16246667788

約数列:

[1, 2, 4, 97, 139, 194, 278, 388, 556, 13483, 26966, 53932, 385831, 771662, 1543324, 37425607, 53630509, 74851214, 107261018, 149702428, 214522036, 5202159373, 10404318746, 20808637492]

約数ペア:

[(1, 20808637492), (2, 10404318746), (4, 5202159373), (97, 214522036), (139, 149702428), (194, 107261018), (278, 74851214), (388, 53630509), (556, 37425607), (13483, 1543324), (26966, 771662), (53932, 385831)]