20207402080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4074073}}^1$

素因数の和:4074119

約数の個数: 48

約数和(自身を含む): 49279999104

約数和(自身を除く): 29072597024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 4074073, 8148146, 16296292, 20370365, 32592584, 40740730, 65185168, 81481460, 126296263, 130370336, 162962920, 252592526, 325925840, 505185052, 631481315, 651851680, 1010370104, 1262962630, 2020740208, 2525925260, 4041480416, 5051850520, 10103701040, 20207402080]

約数ペア:

[(1, 20207402080), (2, 10103701040), (4, 5051850520), (5, 4041480416), (8, 2525925260), (10, 2020740208), (16, 1262962630), (20, 1010370104), (31, 651851680), (32, 631481315), (40, 505185052), (62, 325925840), (80, 252592526), (124, 162962920), (155, 130370336), (160, 126296263), (248, 81481460), (310, 65185168), (496, 40740730), (620, 32592584), (992, 20370365), (1240, 16296292), (2480, 8148146), (4960, 4074073)]