20529045

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 37139256

約数和(自身を除く): 16610211

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 293, 405, 519, 865, 879, 1465, 1557, 2595, 2637, 4395, 4671, 7785, 7911, 13185, 14013, 23355, 23733, 39555, 50689, 70065, 118665, 152067, 253445, 456201, 760335, 1368603, 2281005, 4105809, 6843015, 20529045]

約数ペア:

[(1, 20529045), (3, 6843015), (5, 4105809), (9, 2281005), (15, 1368603), (27, 760335), (45, 456201), (81, 253445), (135, 152067), (173, 118665), (293, 70065), (405, 50689), (519, 39555), (865, 23733), (879, 23355), (1465, 14013), (1557, 13185), (2595, 7911), (2637, 7785), (4395, 4671)]