20931403010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2248271}}^1$

素因数の和:2248311

約数の個数: 48

約数和(自身を含む): 46134541440

約数和(自身を除く): 25203138430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 2248271, 4496542, 11241355, 15737897, 22482710, 31475794, 42717149, 78689485, 85434298, 110165279, 157378970, 213585745, 220330558, 299020043, 427171490, 550826395, 598040086, 1101652790, 1495100215, 2093140301, 2990200430, 4186280602, 10465701505, 20931403010]

約数ペア:

[(1, 20931403010), (2, 10465701505), (5, 4186280602), (7, 2990200430), (10, 2093140301), (14, 1495100215), (19, 1101652790), (35, 598040086), (38, 550826395), (49, 427171490), (70, 299020043), (95, 220330558), (98, 213585745), (133, 157378970), (190, 110165279), (245, 85434298), (266, 78689485), (490, 42717149), (665, 31475794), (931, 22482710), (1330, 15737897), (1862, 11241355), (4655, 4496542), (9310, 2248271)]