20850466

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 42674688

約数和(自身を除く): 21824222

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 91, 119, 161, 182, 221, 238, 293, 299, 322, 391, 442, 586, 598, 782, 1547, 2051, 2093, 2737, 3094, 3809, 4102, 4186, 4981, 5083, 5474, 6739, 7618, 9962, 10166, 13478, 26663, 34867, 35581, 47173, 53326, 64753, 69734, 71162, 87607, 94346, 114563, 129506, 175214, 229126, 453271, 613249, 801941, 906542, 1226498, 1489319, 1603882, 2978638, 10425233, 20850466]

約数ペア:

[(1, 20850466), (2, 10425233), (7, 2978638), (13, 1603882), (14, 1489319), (17, 1226498), (23, 906542), (26, 801941), (34, 613249), (46, 453271), (91, 229126), (119, 175214), (161, 129506), (182, 114563), (221, 94346), (238, 87607), (293, 71162), (299, 69734), (322, 64753), (391, 53326), (442, 47173), (586, 35581), (598, 34867), (782, 26663), (1547, 13478), (2051, 10166), (2093, 9962), (2737, 7618), (3094, 6739), (3809, 5474), (4102, 5083), (4186, 4981)]