20147788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2333}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 37642752

約数和(自身を除く): 17494964

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 2159, 2333, 4318, 4666, 8636, 9332, 39661, 79322, 158644, 296291, 592582, 1185164, 5036947, 10073894, 20147788]

約数ペア:

[(1, 20147788), (2, 10073894), (4, 5036947), (17, 1185164), (34, 592582), (68, 296291), (127, 158644), (254, 79322), (508, 39661), (2159, 9332), (2333, 8636), (4318, 4666)]