20161993706

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1\times {\mathrm{3557}}^1$

素因数の和:4558

約数の個数: 32

約数和(自身を含む): 31817059200

約数和(自身を除く): 11655065494

約数列:

[1, 2, 23, 46, 149, 298, 827, 1654, 3427, 3557, 6854, 7114, 19021, 38042, 81811, 123223, 163622, 246446, 529993, 1059986, 2834129, 2941639, 5668258, 5883278, 12189839, 24379678, 67657697, 135315394, 438304211, 876608422, 10080996853, 20161993706]

約数ペア:

[(1, 20161993706), (2, 10080996853), (23, 876608422), (46, 438304211), (149, 135315394), (298, 67657697), (827, 24379678), (1654, 12189839), (3427, 5883278), (3557, 5668258), (6854, 2941639), (7114, 2834129), (19021, 1059986), (38042, 529993), (81811, 246446), (123223, 163622)]