20196490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 37403856

約数和(自身を除く): 17207366

約数列:

[1, 2, 5, 10, 61, 113, 122, 226, 293, 305, 565, 586, 610, 1130, 1465, 2930, 6893, 13786, 17873, 33109, 34465, 35746, 66218, 68930, 89365, 165545, 178730, 331090, 2019649, 4039298, 10098245, 20196490]

約数ペア:

[(1, 20196490), (2, 10098245), (5, 4039298), (10, 2019649), (61, 331090), (113, 178730), (122, 165545), (226, 89365), (293, 68930), (305, 66218), (565, 35746), (586, 34465), (610, 33109), (1130, 17873), (1465, 13786), (2930, 6893)]