20400474

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 41872320

約数和(自身を除く): 21471846

約数列:

[1, 2, 3, 6, 61, 122, 139, 183, 278, 366, 401, 417, 802, 834, 1203, 2406, 8479, 16958, 24461, 25437, 48922, 50874, 55739, 73383, 111478, 146766, 167217, 334434, 3400079, 6800158, 10200237, 20400474]

約数ペア:

[(1, 20400474), (2, 10200237), (3, 6800158), (6, 3400079), (61, 334434), (122, 167217), (139, 146766), (183, 111478), (278, 73383), (366, 55739), (401, 50874), (417, 48922), (802, 25437), (834, 24461), (1203, 16958), (2406, 8479)]