20758195472

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2346089}}^1$

素因数の和:2346183

約数の個数: 40

約数和(自身を含む): 46546425600

約数和(自身を除く): 25788230128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 2346089, 4692178, 9384356, 16422623, 18768712, 32845246, 37537424, 65690492, 131380984, 185341031, 262761968, 370682062, 741364124, 1297387217, 1482728248, 2594774434, 2965456496, 5189548868, 10379097736, 20758195472]

約数ペア:

[(1, 20758195472), (2, 10379097736), (4, 5189548868), (7, 2965456496), (8, 2594774434), (14, 1482728248), (16, 1297387217), (28, 741364124), (56, 370682062), (79, 262761968), (112, 185341031), (158, 131380984), (316, 65690492), (553, 37537424), (632, 32845246), (1106, 18768712), (1264, 16422623), (2212, 9384356), (4424, 4692178), (8848, 2346089)]