20502342

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 52853760

約数和(自身を除く): 32351418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 126, 146, 189, 219, 378, 438, 511, 657, 743, 1022, 1314, 1486, 1533, 1971, 2229, 3066, 3942, 4458, 4599, 5201, 6687, 9198, 10402, 13374, 13797, 15603, 20061, 27594, 31206, 40122, 46809, 54239, 93618, 108478, 140427, 162717, 280854, 325434, 379673, 488151, 759346, 976302, 1139019, 1464453, 2278038, 2928906, 3417057, 6834114, 10251171, 20502342]

約数ペア:

[(1, 20502342), (2, 10251171), (3, 6834114), (6, 3417057), (7, 2928906), (9, 2278038), (14, 1464453), (18, 1139019), (21, 976302), (27, 759346), (42, 488151), (54, 379673), (63, 325434), (73, 280854), (126, 162717), (146, 140427), (189, 108478), (219, 93618), (378, 54239), (438, 46809), (511, 40122), (657, 31206), (743, 27594), (1022, 20061), (1314, 15603), (1486, 13797), (1533, 13374), (1971, 10402), (2229, 9198), (3066, 6687), (3942, 5201), (4458, 4599)]