20489070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2269}}^1$

素因数の和:2329

約数の個数: 64

約数和(自身を含む): 57530880

約数和(自身を除く): 37041810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2269, 3010, 4515, 4538, 6807, 9030, 11345, 13614, 15883, 22690, 31766, 34035, 47649, 68070, 79415, 95298, 97567, 158830, 195134, 238245, 292701, 476490, 487835, 585402, 682969, 975670, 1365938, 1463505, 2048907, 2927010, 3414845, 4097814, 6829690, 10244535, 20489070]

約数ペア:

[(1, 20489070), (2, 10244535), (3, 6829690), (5, 4097814), (6, 3414845), (7, 2927010), (10, 2048907), (14, 1463505), (15, 1365938), (21, 975670), (30, 682969), (35, 585402), (42, 487835), (43, 476490), (70, 292701), (86, 238245), (105, 195134), (129, 158830), (210, 97567), (215, 95298), (258, 79415), (301, 68070), (430, 47649), (602, 34035), (645, 31766), (903, 22690), (1290, 15883), (1505, 13614), (1806, 11345), (2269, 9030), (3010, 6807), (4515, 4538)]