20123343255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{290443}}^1$

素因数の和:290631

約数の個数: 32

約数和(自身を含む): 33459148800

約数和(自身を除く): 13335805545

約数列:

[1, 3, 5, 15, 31, 93, 149, 155, 447, 465, 745, 2235, 4619, 13857, 23095, 69285, 290443, 871329, 1452215, 4356645, 9003733, 27011199, 43276007, 45018665, 129828021, 135055995, 216380035, 649140105, 1341556217, 4024668651, 6707781085, 20123343255]

約数ペア:

[(1, 20123343255), (3, 6707781085), (5, 4024668651), (15, 1341556217), (31, 649140105), (93, 216380035), (149, 135055995), (155, 129828021), (447, 45018665), (465, 43276007), (745, 27011199), (2235, 9003733), (4619, 4356645), (13857, 1452215), (23095, 871329), (69285, 290443)]