20807032917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{44963}}^1$

素因数の和:45393

約数の個数: 32

約数和(自身を含む): 31165447680

約数和(自身を除く): 10358414763

約数列:

[1, 3, 11, 33, 37, 111, 379, 407, 1137, 1221, 4169, 12507, 14023, 42069, 44963, 134889, 154253, 462759, 494593, 1483779, 1663631, 4990893, 17040977, 18299941, 51122931, 54899823, 187450747, 562352241, 630516149, 1891548447, 6935677639, 20807032917]

約数ペア:

[(1, 20807032917), (3, 6935677639), (11, 1891548447), (33, 630516149), (37, 562352241), (111, 187450747), (379, 54899823), (407, 51122931), (1137, 18299941), (1221, 17040977), (4169, 4990893), (12507, 1663631), (14023, 1483779), (42069, 494593), (44963, 462759), (134889, 154253)]