20199446360

素因数分解:

$2^3\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{401101}}^1$

素因数の和:402371

約数の個数: 32

約数和(自身を含む): 45484966800

約数和(自身を除く): 25285520440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1259, 2518, 5036, 6295, 10072, 12590, 25180, 50360, 401101, 802202, 1604404, 2005505, 3208808, 4011010, 8022020, 16044040, 504986159, 1009972318, 2019944636, 2524930795, 4039889272, 5049861590, 10099723180, 20199446360]

約数ペア:

[(1, 20199446360), (2, 10099723180), (4, 5049861590), (5, 4039889272), (8, 2524930795), (10, 2019944636), (20, 1009972318), (40, 504986159), (1259, 16044040), (2518, 8022020), (5036, 4011010), (6295, 3208808), (10072, 2005505), (12590, 1604404), (25180, 802202), (50360, 401101)]