20868330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2371

約数の個数: 64

約数和(自身を含む): 58595328

約数和(自身を除く): 37726998

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, 2311, 3010, 4515, 4622, 6933, 9030, 11555, 13866, 16177, 23110, 32354, 34665, 48531, 69330, 80885, 97062, 99373, 161770, 198746, 242655, 298119, 485310, 496865, 596238, 695611, 993730, 1391222, 1490595, 2086833, 2981190, 3478055, 4173666, 6956110, 10434165, 20868330]

約数ペア:

[(1, 20868330), (2, 10434165), (3, 6956110), (5, 4173666), (6, 3478055), (7, 2981190), (10, 2086833), (14, 1490595), (15, 1391222), (21, 993730), (30, 695611), (35, 596238), (42, 496865), (43, 485310), (70, 298119), (86, 242655), (105, 198746), (129, 161770), (210, 99373), (215, 97062), (258, 80885), (301, 69330), (430, 48531), (602, 34665), (645, 32354), (903, 23110), (1290, 16177), (1505, 13866), (1806, 11555), (2311, 9030), (3010, 6933), (4515, 4622)]