20218585916

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{344111}}^1$

素因数の和:344549

約数の個数: 24

約数和(自身を含む): 36430449216

約数和(自身を除く): 16211863300

約数列:

[1, 2, 4, 37, 74, 148, 397, 794, 1588, 14689, 29378, 58756, 344111, 688222, 1376444, 12732107, 25464214, 50928428, 136612067, 273224134, 546448268, 5054646479, 10109292958, 20218585916]

約数ペア:

[(1, 20218585916), (2, 10109292958), (4, 5054646479), (37, 546448268), (74, 273224134), (148, 136612067), (397, 50928428), (794, 25464214), (1588, 12732107), (14689, 1376444), (29378, 688222), (58756, 344111)]