20110590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 52509600

約数和(自身を除く): 32399010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 439, 509, 878, 1018, 1317, 1527, 2195, 2545, 2634, 3054, 3951, 4390, 4581, 5090, 6585, 7635, 7902, 9162, 13170, 15270, 19755, 22905, 39510, 45810, 223451, 446902, 670353, 1117255, 1340706, 2011059, 2234510, 3351765, 4022118, 6703530, 10055295, 20110590]

約数ペア:

[(1, 20110590), (2, 10055295), (3, 6703530), (5, 4022118), (6, 3351765), (9, 2234510), (10, 2011059), (15, 1340706), (18, 1117255), (30, 670353), (45, 446902), (90, 223451), (439, 45810), (509, 39510), (878, 22905), (1018, 19755), (1317, 15270), (1527, 13170), (2195, 9162), (2545, 7902), (2634, 7635), (3054, 6585), (3951, 5090), (4390, 4581)]