20041781792

素因数分解:

$2^5\times {\mathrm{971}}^1\times {\mathrm{645011}}^1$

素因数の和:645992

約数の個数: 24

約数和(自身を含む): 39497954832

約数和(自身を除く): 19456173040

約数列:

[1, 2, 4, 8, 16, 32, 971, 1942, 3884, 7768, 15536, 31072, 645011, 1290022, 2580044, 5160088, 10320176, 20640352, 626305681, 1252611362, 2505222724, 5010445448, 10020890896, 20041781792]

約数ペア:

[(1, 20041781792), (2, 10020890896), (4, 5010445448), (8, 2505222724), (16, 1252611362), (32, 626305681), (971, 20640352), (1942, 10320176), (3884, 5160088), (7768, 2580044), (15536, 1290022), (31072, 645011)]