20930416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2209

約数の個数: 40

約数和(自身を含む): 44622144

約数和(自身を除く): 23691728

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2141, 2444, 4282, 4888, 8564, 9776, 17128, 27833, 34256, 55666, 100627, 111332, 201254, 222664, 402508, 445328, 805016, 1308151, 1610032, 2616302, 5232604, 10465208, 20930416]

約数ペア:

[(1, 20930416), (2, 10465208), (4, 5232604), (8, 2616302), (13, 1610032), (16, 1308151), (26, 805016), (47, 445328), (52, 402508), (94, 222664), (104, 201254), (188, 111332), (208, 100627), (376, 55666), (611, 34256), (752, 27833), (1222, 17128), (2141, 9776), (2444, 8564), (4282, 4888)]