20118126

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1669}}^1$

素因数の和:1729

約数の個数: 48

約数和(自身を含む): 47975760

約数和(自身を除く): 27857634

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1669, 1722, 2009, 3338, 4018, 5007, 6027, 10014, 11683, 12054, 23366, 35049, 68429, 70098, 81781, 136858, 163562, 205287, 245343, 410574, 479003, 490686, 958006, 1437009, 2874018, 3353021, 6706042, 10059063, 20118126]

約数ペア:

[(1, 20118126), (2, 10059063), (3, 6706042), (6, 3353021), (7, 2874018), (14, 1437009), (21, 958006), (41, 490686), (42, 479003), (49, 410574), (82, 245343), (98, 205287), (123, 163562), (147, 136858), (246, 81781), (287, 70098), (294, 68429), (574, 35049), (861, 23366), (1669, 12054), (1722, 11683), (2009, 10014), (3338, 6027), (4018, 5007)]