20797463288

素因数分解:

$2^3\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{300229}}^1$

素因数の和:301479

約数の個数: 32

約数和(自身を含む): 44602168800

約数和(自身を除く): 23804705512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1237, 2474, 4948, 8659, 9896, 17318, 34636, 69272, 300229, 600458, 1200916, 2101603, 2401832, 4203206, 8406412, 16812824, 371383273, 742766546, 1485533092, 2599682911, 2971066184, 5199365822, 10398731644, 20797463288]

約数ペア:

[(1, 20797463288), (2, 10398731644), (4, 5199365822), (7, 2971066184), (8, 2599682911), (14, 1485533092), (28, 742766546), (56, 371383273), (1237, 16812824), (2474, 8406412), (4948, 4203206), (8659, 2401832), (9896, 2101603), (17318, 1200916), (34636, 600458), (69272, 300229)]