20411764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 40836096

約数和(自身を除く): 20424332

約数列:

[1, 2, 4, 17, 23, 31, 34, 46, 62, 68, 92, 124, 391, 421, 527, 713, 782, 842, 1054, 1426, 1564, 1684, 2108, 2852, 7157, 9683, 12121, 13051, 14314, 19366, 24242, 26102, 28628, 38732, 48484, 52204, 164611, 221867, 300173, 329222, 443734, 600346, 658444, 887468, 1200692, 5102941, 10205882, 20411764]

約数ペア:

[(1, 20411764), (2, 10205882), (4, 5102941), (17, 1200692), (23, 887468), (31, 658444), (34, 600346), (46, 443734), (62, 329222), (68, 300173), (92, 221867), (124, 164611), (391, 52204), (421, 48484), (527, 38732), (713, 28628), (782, 26102), (842, 24242), (1054, 19366), (1426, 14314), (1564, 13051), (1684, 12121), (2108, 9683), (2852, 7157)]