20639094

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70201}}^1$

素因数の和:70220

約数の個数: 24

約数和(自身を含む): 48018168

約数和(自身を除く): 27379074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70201, 140402, 210603, 421206, 491407, 982814, 1474221, 2948442, 3439849, 6879698, 10319547, 20639094]

約数ペア:

[(1, 20639094), (2, 10319547), (3, 6879698), (6, 3439849), (7, 2948442), (14, 1474221), (21, 982814), (42, 491407), (49, 421206), (98, 210603), (147, 140402), (294, 70201)]