20172779740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{69499}}^1$

素因数の和:70162

約数の個数: 48

約数和(自身を含む): 44275392000

約数和(自身を除く): 24102612260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 631, 1262, 2524, 3155, 6310, 12620, 14513, 29026, 58052, 69499, 72565, 138998, 145130, 277996, 290260, 347495, 694990, 1389980, 1598477, 3196954, 6393908, 7992385, 15984770, 31969540, 43853869, 87707738, 175415476, 219269345, 438538690, 877077380, 1008638987, 2017277974, 4034555948, 5043194935, 10086389870, 20172779740]

約数ペア:

[(1, 20172779740), (2, 10086389870), (4, 5043194935), (5, 4034555948), (10, 2017277974), (20, 1008638987), (23, 877077380), (46, 438538690), (92, 219269345), (115, 175415476), (230, 87707738), (460, 43853869), (631, 31969540), (1262, 15984770), (2524, 7992385), (3155, 6393908), (6310, 3196954), (12620, 1598477), (14513, 1389980), (29026, 694990), (58052, 347495), (69499, 290260), (72565, 277996), (138998, 145130)]