20342205

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 39755520

約数和(自身を除く): 19413315

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 117, 135, 173, 195, 201, 335, 351, 519, 585, 603, 865, 871, 1005, 1557, 1755, 1809, 2249, 2595, 2613, 3015, 4355, 4671, 6747, 7785, 7839, 9045, 11245, 11591, 13065, 20241, 23355, 23517, 33735, 34773, 39195, 57955, 60723, 101205, 104319, 117585, 150683, 173865, 303615, 312957, 452049, 521595, 753415, 1356147, 1564785, 2260245, 4068441, 6780735, 20342205]

約数ペア:

[(1, 20342205), (3, 6780735), (5, 4068441), (9, 2260245), (13, 1564785), (15, 1356147), (27, 753415), (39, 521595), (45, 452049), (65, 312957), (67, 303615), (117, 173865), (135, 150683), (173, 117585), (195, 104319), (201, 101205), (335, 60723), (351, 57955), (519, 39195), (585, 34773), (603, 33735), (865, 23517), (871, 23355), (1005, 20241), (1557, 13065), (1755, 11591), (1809, 11245), (2249, 9045), (2595, 7839), (2613, 7785), (3015, 6747), (4355, 4671)]