20910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:68

約数の個数: 32

約数和(自身を含む): 54432

約数和(自身を除く): 33522

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 41, 51, 82, 85, 102, 123, 170, 205, 246, 255, 410, 510, 615, 697, 1230, 1394, 2091, 3485, 4182, 6970, 10455, 20910]

約数ペア:

[(1, 20910), (2, 10455), (3, 6970), (5, 4182), (6, 3485), (10, 2091), (15, 1394), (17, 1230), (30, 697), (34, 615), (41, 510), (51, 410), (82, 255), (85, 246), (102, 205), (123, 170)]