20465928

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5801}}^1$

素因数の和:5827

約数の個数: 72

約数和(自身を含む): 64489230

約数和(自身を除く): 44023302

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5801, 11602, 17403, 23204, 34806, 40607, 46408, 52209, 69612, 81214, 104418, 121821, 139224, 162428, 208836, 243642, 284249, 324856, 365463, 417672, 487284, 568498, 730926, 852747, 974568, 1136996, 1461852, 1705494, 2273992, 2558241, 2923704, 3410988, 5116482, 6821976, 10232964, 20465928]

約数ペア:

[(1, 20465928), (2, 10232964), (3, 6821976), (4, 5116482), (6, 3410988), (7, 2923704), (8, 2558241), (9, 2273992), (12, 1705494), (14, 1461852), (18, 1136996), (21, 974568), (24, 852747), (28, 730926), (36, 568498), (42, 487284), (49, 417672), (56, 365463), (63, 324856), (72, 284249), (84, 243642), (98, 208836), (126, 162428), (147, 139224), (168, 121821), (196, 104418), (252, 81214), (294, 69612), (392, 52209), (441, 46408), (504, 40607), (588, 34806), (882, 23204), (1176, 17403), (1764, 11602), (3528, 5801)]