20371380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4651}}^1$

素因数の和:4736

約数の個数: 48

約数和(自身を含む): 57833664

約数和(自身を除く): 37462284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4651, 9302, 13953, 18604, 23255, 27906, 46510, 55812, 69765, 93020, 139530, 279060, 339523, 679046, 1018569, 1358092, 1697615, 2037138, 3395230, 4074276, 5092845, 6790460, 10185690, 20371380]

約数ペア:

[(1, 20371380), (2, 10185690), (3, 6790460), (4, 5092845), (5, 4074276), (6, 3395230), (10, 2037138), (12, 1697615), (15, 1358092), (20, 1018569), (30, 679046), (60, 339523), (73, 279060), (146, 139530), (219, 93020), (292, 69765), (365, 55812), (438, 46510), (730, 27906), (876, 23255), (1095, 18604), (1460, 13953), (2190, 9302), (4380, 4651)]