20210905065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{66739}}^1$

素因数の和:68313

約数の個数: 32

約数和(自身を含む): 34847890560

約数和(自身を除く): 14636985495

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1553, 4659, 7765, 20189, 23295, 60567, 66739, 100945, 200217, 302835, 333695, 867607, 1001085, 2602821, 4338035, 13014105, 103645667, 310937001, 518228335, 1347393671, 1554685005, 4042181013, 6736968355, 20210905065]

約数ペア:

[(1, 20210905065), (3, 6736968355), (5, 4042181013), (13, 1554685005), (15, 1347393671), (39, 518228335), (65, 310937001), (195, 103645667), (1553, 13014105), (4659, 4338035), (7765, 2602821), (20189, 1001085), (23295, 867607), (60567, 333695), (66739, 302835), (100945, 200217)]