20225868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 51108960

約数和(自身を除く): 30883092

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 317, 409, 634, 818, 951, 1227, 1268, 1636, 1902, 2454, 3804, 4121, 4908, 5317, 8242, 10634, 12363, 15951, 16484, 21268, 24726, 31902, 49452, 63804, 129653, 259306, 388959, 518612, 777918, 1555836, 1685489, 3370978, 5056467, 6741956, 10112934, 20225868]

約数ペア:

[(1, 20225868), (2, 10112934), (3, 6741956), (4, 5056467), (6, 3370978), (12, 1685489), (13, 1555836), (26, 777918), (39, 518612), (52, 388959), (78, 259306), (156, 129653), (317, 63804), (409, 49452), (634, 31902), (818, 24726), (951, 21268), (1227, 16484), (1268, 15951), (1636, 12363), (1902, 10634), (2454, 8242), (3804, 5317), (4121, 4908)]