20485010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22511}}^1$

素因数の和:22538

約数の個数: 32

約数和(自身を含む): 45384192

約数和(自身を除く): 24899182

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22511, 45022, 112555, 157577, 225110, 292643, 315154, 585286, 787885, 1463215, 1575770, 2048501, 2926430, 4097002, 10242505, 20485010]

約数ペア:

[(1, 20485010), (2, 10242505), (5, 4097002), (7, 2926430), (10, 2048501), (13, 1575770), (14, 1463215), (26, 787885), (35, 585286), (65, 315154), (70, 292643), (91, 225110), (130, 157577), (182, 112555), (455, 45022), (910, 22511)]