20179250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 46545408

約数和(自身を除く): 26366158

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 875, 887, 910, 1625, 1750, 1774, 2275, 3250, 4435, 4550, 6209, 8870, 11375, 11531, 12418, 22175, 22750, 23062, 31045, 44350, 57655, 62090, 80717, 110875, 115310, 155225, 161434, 221750, 288275, 310450, 403585, 576550, 776125, 807170, 1441375, 1552250, 2017925, 2882750, 4035850, 10089625, 20179250]

約数ペア:

[(1, 20179250), (2, 10089625), (5, 4035850), (7, 2882750), (10, 2017925), (13, 1552250), (14, 1441375), (25, 807170), (26, 776125), (35, 576550), (50, 403585), (65, 310450), (70, 288275), (91, 221750), (125, 161434), (130, 155225), (175, 115310), (182, 110875), (250, 80717), (325, 62090), (350, 57655), (455, 44350), (650, 31045), (875, 23062), (887, 22750), (910, 22175), (1625, 12418), (1750, 11531), (1774, 11375), (2275, 8870), (3250, 6209), (4435, 4550)]