20961930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63521}}^1$

素因数の和:63542

約数の個数: 32

約数和(自身を含む): 54883008

約数和(自身を除く): 33921078

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63521, 127042, 190563, 317605, 381126, 635210, 698731, 952815, 1397462, 1905630, 2096193, 3493655, 4192386, 6987310, 10480965, 20961930]

約数ペア:

[(1, 20961930), (2, 10480965), (3, 6987310), (5, 4192386), (6, 3493655), (10, 2096193), (11, 1905630), (15, 1397462), (22, 952815), (30, 698731), (33, 635210), (55, 381126), (66, 317605), (110, 190563), (165, 127042), (330, 63521)]