20125443668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1\times {\mathrm{2251}}^1$

素因数の和:3224

約数の個数: 48

約数和(自身を含む): 38619782208

約数和(自身を除く): 18494338540

約数列:

[1, 2, 4, 11, 22, 44, 317, 634, 641, 1268, 1282, 2251, 2564, 3487, 4502, 6974, 7051, 9004, 13948, 14102, 24761, 28204, 49522, 99044, 203197, 406394, 713567, 812788, 1427134, 1442891, 2235167, 2854268, 2885782, 4470334, 5771564, 7849237, 8940668, 15698474, 15871801, 31396948, 31743602, 63487204, 457396447, 914792894, 1829585788, 5031360917, 10062721834, 20125443668]

約数ペア:

[(1, 20125443668), (2, 10062721834), (4, 5031360917), (11, 1829585788), (22, 914792894), (44, 457396447), (317, 63487204), (634, 31743602), (641, 31396948), (1268, 15871801), (1282, 15698474), (2251, 8940668), (2564, 7849237), (3487, 5771564), (4502, 4470334), (6974, 2885782), (7051, 2854268), (9004, 2235167), (13948, 1442891), (14102, 1427134), (24761, 812788), (28204, 713567), (49522, 406394), (99044, 203197)]