20386652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 43394400

約数和(自身を除く): 23007748

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1229, 1276, 1508, 2458, 4147, 4916, 8294, 13519, 15977, 16588, 27038, 31954, 35641, 54076, 63908, 71282, 142564, 175747, 351494, 392051, 463333, 702988, 784102, 926666, 1568204, 1853332, 5096663, 10193326, 20386652]

約数ペア:

[(1, 20386652), (2, 10193326), (4, 5096663), (11, 1853332), (13, 1568204), (22, 926666), (26, 784102), (29, 702988), (44, 463333), (52, 392051), (58, 351494), (116, 175747), (143, 142564), (286, 71282), (319, 63908), (377, 54076), (572, 35641), (638, 31954), (754, 27038), (1229, 16588), (1276, 15977), (1508, 13519), (2458, 8294), (4147, 4916)]