20165395221

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{74959}}^1$

素因数の和:75457

約数の個数: 24

約数和(自身を含む): 29608600320

約数和(自身を除く): 9443205099

約数列:

[1, 3, 9, 71, 213, 421, 639, 1263, 3789, 29891, 74959, 89673, 224877, 269019, 674631, 5322089, 15966267, 31557739, 47898801, 94673217, 284019651, 2240599469, 6721798407, 20165395221]

約数ペア:

[(1, 20165395221), (3, 6721798407), (9, 2240599469), (71, 284019651), (213, 94673217), (421, 47898801), (639, 31557739), (1263, 15966267), (3789, 5322089), (29891, 674631), (74959, 269019), (89673, 224877)]