20924750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 48881664

約数和(自身を除く): 27956914

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 250, 275, 350, 385, 550, 770, 875, 1087, 1375, 1750, 1925, 2174, 2750, 3850, 5435, 7609, 9625, 10870, 11957, 15218, 19250, 23914, 27175, 38045, 54350, 59785, 76090, 83699, 119570, 135875, 167398, 190225, 271750, 298925, 380450, 418495, 597850, 836990, 951125, 1494625, 1902250, 2092475, 2989250, 4184950, 10462375, 20924750]

約数ペア:

[(1, 20924750), (2, 10462375), (5, 4184950), (7, 2989250), (10, 2092475), (11, 1902250), (14, 1494625), (22, 951125), (25, 836990), (35, 597850), (50, 418495), (55, 380450), (70, 298925), (77, 271750), (110, 190225), (125, 167398), (154, 135875), (175, 119570), (250, 83699), (275, 76090), (350, 59785), (385, 54350), (550, 38045), (770, 27175), (875, 23914), (1087, 19250), (1375, 15218), (1750, 11957), (1925, 10870), (2174, 9625), (2750, 7609), (3850, 5435)]