16620540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{631}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 46717440

約数和(自身を除く): 30096900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 631, 878, 1262, 1317, 1756, 1893, 2195, 2524, 2634, 3155, 3786, 4390, 5268, 6310, 6585, 7572, 8780, 9465, 12620, 13170, 18930, 26340, 37860, 277009, 554018, 831027, 1108036, 1385045, 1662054, 2770090, 3324108, 4155135, 5540180, 8310270, 16620540]

約数ペア:

[(1, 16620540), (2, 8310270), (3, 5540180), (4, 4155135), (5, 3324108), (6, 2770090), (10, 1662054), (12, 1385045), (15, 1108036), (20, 831027), (30, 554018), (60, 277009), (439, 37860), (631, 26340), (878, 18930), (1262, 13170), (1317, 12620), (1756, 9465), (1893, 8780), (2195, 7572), (2524, 6585), (2634, 6310), (3155, 5268), (3786, 4390)]