20183056

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 40673984

約数和(自身を除く): 20490928

約数列:

[1, 2, 4, 8, 16, 37, 74, 103, 148, 206, 296, 331, 412, 592, 662, 824, 1324, 1648, 2648, 3811, 5296, 7622, 12247, 15244, 24494, 30488, 34093, 48988, 60976, 68186, 97976, 136372, 195952, 272744, 545488, 1261441, 2522882, 5045764, 10091528, 20183056]

約数ペア:

[(1, 20183056), (2, 10091528), (4, 5045764), (8, 2522882), (16, 1261441), (37, 545488), (74, 272744), (103, 195952), (148, 136372), (206, 97976), (296, 68186), (331, 60976), (412, 48988), (592, 34093), (662, 30488), (824, 24494), (1324, 15244), (1648, 12247), (2648, 7622), (3811, 5296)]