20335504

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5857}}^1$

素因数の和:5903

約数の個数: 40

約数和(自身を含む): 46489088

約数和(自身を除く): 26153584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5857, 11714, 23428, 40999, 46856, 81998, 93712, 163996, 181567, 327992, 363134, 655984, 726268, 1270969, 1452536, 2541938, 2905072, 5083876, 10167752, 20335504]

約数ペア:

[(1, 20335504), (2, 10167752), (4, 5083876), (7, 2905072), (8, 2541938), (14, 1452536), (16, 1270969), (28, 726268), (31, 655984), (56, 363134), (62, 327992), (112, 181567), (124, 163996), (217, 93712), (248, 81998), (434, 46856), (496, 40999), (868, 23428), (1736, 11714), (3472, 5857)]