20431698705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1331489}}^1$

素因数の和:1331542

約数の個数: 48

約数和(自身を含む): 39880788480

約数和(自身を除く): 19449089775

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 3069, 5115, 15345, 1331489, 3994467, 6657445, 11983401, 14646379, 19972335, 41276159, 43939137, 59917005, 73231895, 123828477, 131817411, 206380795, 219695685, 371485431, 454037749, 619142385, 659087055, 1362113247, 1857427155, 2270188745, 4086339741, 6810566235, 20431698705]

約数ペア:

[(1, 20431698705), (3, 6810566235), (5, 4086339741), (9, 2270188745), (11, 1857427155), (15, 1362113247), (31, 659087055), (33, 619142385), (45, 454037749), (55, 371485431), (93, 219695685), (99, 206380795), (155, 131817411), (165, 123828477), (279, 73231895), (341, 59917005), (465, 43939137), (495, 41276159), (1023, 19972335), (1395, 14646379), (1705, 11983401), (3069, 6657445), (5115, 3994467), (15345, 1331489)]