20727330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53147}}^1$

素因数の和:53170

約数の個数: 32

約数和(自身を含む): 53573184

約数和(自身を除く): 32845854

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53147, 106294, 159441, 265735, 318882, 531470, 690911, 797205, 1381822, 1594410, 2072733, 3454555, 4145466, 6909110, 10363665, 20727330]

約数ペア:

[(1, 20727330), (2, 10363665), (3, 6909110), (5, 4145466), (6, 3454555), (10, 2072733), (13, 1594410), (15, 1381822), (26, 797205), (30, 690911), (39, 531470), (65, 318882), (78, 265735), (130, 159441), (195, 106294), (390, 53147)]