20907588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{601}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 52860416

約数和(自身を除く): 31952828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 223, 446, 601, 669, 892, 1202, 1338, 1803, 2404, 2676, 2899, 3606, 5798, 7212, 7813, 8697, 11596, 15626, 17394, 23439, 31252, 34788, 46878, 93756, 134023, 268046, 402069, 536092, 804138, 1608276, 1742299, 3484598, 5226897, 6969196, 10453794, 20907588]

約数ペア:

[(1, 20907588), (2, 10453794), (3, 6969196), (4, 5226897), (6, 3484598), (12, 1742299), (13, 1608276), (26, 804138), (39, 536092), (52, 402069), (78, 268046), (156, 134023), (223, 93756), (446, 46878), (601, 34788), (669, 31252), (892, 23439), (1202, 17394), (1338, 15626), (1803, 11596), (2404, 8697), (2676, 7813), (2899, 7212), (3606, 5798)]