20878452

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27617}}^1$

素因数の和:27637

約数の個数: 48

約数和(自身を含む): 61864320

約数和(自身を除く): 40985868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27617, 55234, 82851, 110468, 165702, 193319, 248553, 331404, 386638, 497106, 579957, 745659, 773276, 994212, 1159914, 1491318, 1739871, 2319828, 2982636, 3479742, 5219613, 6959484, 10439226, 20878452]

約数ペア:

[(1, 20878452), (2, 10439226), (3, 6959484), (4, 5219613), (6, 3479742), (7, 2982636), (9, 2319828), (12, 1739871), (14, 1491318), (18, 1159914), (21, 994212), (27, 773276), (28, 745659), (36, 579957), (42, 497106), (54, 386638), (63, 331404), (84, 248553), (108, 193319), (126, 165702), (189, 110468), (252, 82851), (378, 55234), (756, 27617)]