20717497431

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{98597}}^1$

素因数の和:99271

約数の個数: 24

約数和(自身を含む): 30783084384

約数和(自身を除く): 10065586953

約数列:

[1, 3, 9, 37, 111, 333, 631, 1893, 5679, 23347, 70041, 98597, 210123, 295791, 887373, 3648089, 10944267, 32832801, 62214707, 186644121, 559932363, 2301944159, 6905832477, 20717497431]

約数ペア:

[(1, 20717497431), (3, 6905832477), (9, 2301944159), (37, 559932363), (111, 186644121), (333, 62214707), (631, 32832801), (1893, 10944267), (5679, 3648089), (23347, 887373), (70041, 295791), (98597, 210123)]