20403222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1063}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 46781952

約数和(自身を除く): 26378730

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1063, 1371, 2126, 2742, 3189, 3199, 6378, 6398, 7441, 9597, 14882, 19194, 22323, 44646, 485791, 971582, 1457373, 2914746, 3400537, 6801074, 10201611, 20403222]

約数ペア:

[(1, 20403222), (2, 10201611), (3, 6801074), (6, 3400537), (7, 2914746), (14, 1457373), (21, 971582), (42, 485791), (457, 44646), (914, 22323), (1063, 19194), (1371, 14882), (2126, 9597), (2742, 7441), (3189, 6398), (3199, 6378)]