20239977544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{491357}}^1$

素因数の和:491653

約数の個数: 32

約数和(自身を含む): 40094812800

約数和(自身を除く): 19854835256

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 271, 542, 1084, 2168, 5149, 10298, 20596, 41192, 491357, 982714, 1965428, 3930856, 9335783, 18671566, 37343132, 74686264, 133157747, 266315494, 532630988, 1065261976, 2529997193, 5059994386, 10119988772, 20239977544]

約数ペア:

[(1, 20239977544), (2, 10119988772), (4, 5059994386), (8, 2529997193), (19, 1065261976), (38, 532630988), (76, 266315494), (152, 133157747), (271, 74686264), (542, 37343132), (1084, 18671566), (2168, 9335783), (5149, 3930856), (10298, 1965428), (20596, 982714), (41192, 491357)]