220139972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{69401}}^1$

素因数の和:69479

約数の個数: 24

約数和(自身を含む): 421686552

約数和(自身を除く): 201546580

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 69401, 138802, 277604, 902213, 1804426, 3608852, 4233461, 8466922, 16933844, 55034993, 110069986, 220139972]

約数ペア:

[(1, 220139972), (2, 110069986), (4, 55034993), (13, 16933844), (26, 8466922), (52, 4233461), (61, 3608852), (122, 1804426), (244, 902213), (793, 277604), (1586, 138802), (3172, 69401)]