20179913624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{405089}}^1$

素因数の和:405587

約数の個数: 32

約数和(自身を含む): 40833072000

約数和(自身を除く): 20653158376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 479, 958, 1916, 3832, 6227, 12454, 24908, 49816, 405089, 810178, 1620356, 3240712, 5266157, 10532314, 21064628, 42129256, 194037631, 388075262, 776150524, 1552301048, 2522489203, 5044978406, 10089956812, 20179913624]

約数ペア:

[(1, 20179913624), (2, 10089956812), (4, 5044978406), (8, 2522489203), (13, 1552301048), (26, 776150524), (52, 388075262), (104, 194037631), (479, 42129256), (958, 21064628), (1916, 10532314), (3832, 5266157), (6227, 3240712), (12454, 1620356), (24908, 810178), (49816, 405089)]