20078630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 24676570

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 739, 1045, 1235, 1430, 1478, 2090, 2470, 2717, 3695, 5434, 7390, 8129, 9607, 13585, 14041, 16258, 19214, 27170, 28082, 40645, 48035, 70205, 81290, 96070, 105677, 140410, 154451, 182533, 211354, 308902, 365066, 528385, 772255, 912665, 1056770, 1544510, 1825330, 2007863, 4015726, 10039315, 20078630]

約数ペア:

[(1, 20078630), (2, 10039315), (5, 4015726), (10, 2007863), (11, 1825330), (13, 1544510), (19, 1056770), (22, 912665), (26, 772255), (38, 528385), (55, 365066), (65, 308902), (95, 211354), (110, 182533), (130, 154451), (143, 140410), (190, 105677), (209, 96070), (247, 81290), (286, 70205), (418, 48035), (494, 40645), (715, 28082), (739, 27170), (1045, 19214), (1235, 16258), (1430, 14041), (1478, 13585), (2090, 9607), (2470, 8129), (2717, 7390), (3695, 5434)]