20559276

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7229}}^1$

素因数の和:7318

約数の個数: 36

約数和(自身を含む): 52634400

約数和(自身を除く): 32075124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7229, 14458, 21687, 28916, 43374, 65061, 86748, 130122, 260244, 571091, 1142182, 1713273, 2284364, 3426546, 5139819, 6853092, 10279638, 20559276]

約数ペア:

[(1, 20559276), (2, 10279638), (3, 6853092), (4, 5139819), (6, 3426546), (9, 2284364), (12, 1713273), (18, 1142182), (36, 571091), (79, 260244), (158, 130122), (237, 86748), (316, 65061), (474, 43374), (711, 28916), (948, 21687), (1422, 14458), (2844, 7229)]