20629160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 30692440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1319, 1564, 1955, 2638, 3128, 3910, 5276, 6595, 7820, 10552, 13190, 15640, 22423, 26380, 30337, 44846, 52760, 60674, 89692, 112115, 121348, 151685, 179384, 224230, 242696, 303370, 448460, 515729, 606740, 896920, 1031458, 1213480, 2062916, 2578645, 4125832, 5157290, 10314580, 20629160]

約数ペア:

[(1, 20629160), (2, 10314580), (4, 5157290), (5, 4125832), (8, 2578645), (10, 2062916), (17, 1213480), (20, 1031458), (23, 896920), (34, 606740), (40, 515729), (46, 448460), (68, 303370), (85, 242696), (92, 224230), (115, 179384), (136, 151685), (170, 121348), (184, 112115), (230, 89692), (340, 60674), (391, 52760), (460, 44846), (680, 30337), (782, 26380), (920, 22423), (1319, 15640), (1564, 13190), (1955, 10552), (2638, 7820), (3128, 6595), (3910, 5276)]