20986670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3011}}^1$

素因数の和:3076

約数の個数: 32

約数和(自身を含む): 40987296

約数和(自身を除く): 20000626

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3011, 3485, 6022, 6970, 15055, 30110, 51187, 102374, 123451, 246902, 255935, 511870, 617255, 1234510, 2098667, 4197334, 10493335, 20986670]

約数ペア:

[(1, 20986670), (2, 10493335), (5, 4197334), (10, 2098667), (17, 1234510), (34, 617255), (41, 511870), (82, 255935), (85, 246902), (170, 123451), (205, 102374), (410, 51187), (697, 30110), (1394, 15055), (3011, 6970), (3485, 6022)]