20840868

素因数分解:

$2^2\times 3^3\times {\mathrm{192971}}^1$

素因数の和:192984

約数の個数: 24

約数和(自身を含む): 54032160

約数和(自身を除く): 33191292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 192971, 385942, 578913, 771884, 1157826, 1736739, 2315652, 3473478, 5210217, 6946956, 10420434, 20840868]

約数ペア:

[(1, 20840868), (2, 10420434), (3, 6946956), (4, 5210217), (6, 3473478), (9, 2315652), (12, 1736739), (18, 1157826), (27, 771884), (36, 578913), (54, 385942), (108, 192971)]