20600685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3882

約数の個数: 48

約数和(自身を含む): 43220736

約数和(自身を除く): 22620051

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 3847, 5355, 11541, 19235, 26929, 34623, 57705, 65399, 80787, 134645, 173115, 196197, 242361, 326995, 403935, 457793, 588591, 980985, 1211805, 1373379, 2288965, 2942955, 4120137, 6866895, 20600685]

約数ペア:

[(1, 20600685), (3, 6866895), (5, 4120137), (7, 2942955), (9, 2288965), (15, 1373379), (17, 1211805), (21, 980985), (35, 588591), (45, 457793), (51, 403935), (63, 326995), (85, 242361), (105, 196197), (119, 173115), (153, 134645), (255, 80787), (315, 65399), (357, 57705), (595, 34623), (765, 26929), (1071, 19235), (1785, 11541), (3847, 5355)]