20639490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22193}}^1$

素因数の和:22234

約数の個数: 32

約数和(自身を含む): 51134976

約数和(自身を除く): 30495486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22193, 44386, 66579, 110965, 133158, 221930, 332895, 665790, 687983, 1375966, 2063949, 3439915, 4127898, 6879830, 10319745, 20639490]

約数ペア:

[(1, 20639490), (2, 10319745), (3, 6879830), (5, 4127898), (6, 3439915), (10, 2063949), (15, 1375966), (30, 687983), (31, 665790), (62, 332895), (93, 221930), (155, 133158), (186, 110965), (310, 66579), (465, 44386), (930, 22193)]