20652275

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:780

約数の個数: 36

約数和(自身を含む): 31127472

約数和(自身を除く): 10475197

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 733, 805, 1127, 1225, 3665, 4025, 5131, 5635, 16859, 18325, 25655, 28175, 35917, 84295, 118013, 128275, 179585, 421475, 590065, 826091, 897925, 2950325, 4130455, 20652275]

約数ペア:

[(1, 20652275), (5, 4130455), (7, 2950325), (23, 897925), (25, 826091), (35, 590065), (49, 421475), (115, 179585), (161, 128275), (175, 118013), (245, 84295), (575, 35917), (733, 28175), (805, 25655), (1127, 18325), (1225, 16859), (3665, 5635), (4025, 5131)]