20662068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245977}}^1$

素因数の和:245991

約数の個数: 24

約数和(自身を含む): 55099072

約数和(自身を除く): 34437004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245977, 491954, 737931, 983908, 1475862, 1721839, 2951724, 3443678, 5165517, 6887356, 10331034, 20662068]

約数ペア:

[(1, 20662068), (2, 10331034), (3, 6887356), (4, 5165517), (6, 3443678), (7, 2951724), (12, 1721839), (14, 1475862), (21, 983908), (28, 737931), (42, 491954), (84, 245977)]