20115740048

素因数分解:

$2^4\times {\mathrm{3229}}^1\times {\mathrm{389357}}^1$

素因数の和:392594

約数の個数: 20

約数和(自身を含む): 38986416540

約数和(自身を除く): 18870676492

約数列:

[1, 2, 4, 8, 16, 3229, 6458, 12916, 25832, 51664, 389357, 778714, 1557428, 3114856, 6229712, 1257233753, 2514467506, 5028935012, 10057870024, 20115740048]

約数ペア:

[(1, 20115740048), (2, 10057870024), (4, 5028935012), (8, 2514467506), (16, 1257233753), (3229, 6229712), (6458, 3114856), (12916, 1557428), (25832, 778714), (51664, 389357)]