20197079480

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1455121}}^1$

素因数の和:1455479

約数の個数: 32

約数和(自身を含む): 45574421040

約数和(自身を除く): 25377341560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 13880, 1455121, 2910242, 5820484, 7275605, 11640968, 14551210, 29102420, 58204840, 504926987, 1009853974, 2019707948, 2524634935, 4039415896, 5049269870, 10098539740, 20197079480]

約数ペア:

[(1, 20197079480), (2, 10098539740), (4, 5049269870), (5, 4039415896), (8, 2524634935), (10, 2019707948), (20, 1009853974), (40, 504926987), (347, 58204840), (694, 29102420), (1388, 14551210), (1735, 11640968), (2776, 7275605), (3470, 5820484), (6940, 2910242), (13880, 1455121)]