20859555

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 14161245

約数列:

[1, 3, 5, 15, 29, 79, 87, 145, 237, 395, 435, 607, 1185, 1821, 2291, 3035, 6873, 9105, 11455, 17603, 34365, 47953, 52809, 88015, 143859, 239765, 264045, 719295, 1390637, 4171911, 6953185, 20859555]

約数ペア:

[(1, 20859555), (3, 6953185), (5, 4171911), (15, 1390637), (29, 719295), (79, 264045), (87, 239765), (145, 143859), (237, 88015), (395, 52809), (435, 47953), (607, 34365), (1185, 17603), (1821, 11455), (2291, 9105), (3035, 6873)]