20659232

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3089}}^1$

素因数の和:3129

約数の個数: 48

約数和(自身を含む): 46720800

約数和(自身を除く): 26061568

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3089, 3344, 6178, 6688, 12356, 24712, 33979, 49424, 58691, 67958, 98848, 117382, 135916, 234764, 271832, 469528, 543664, 645601, 939056, 1087328, 1291202, 1878112, 2582404, 5164808, 10329616, 20659232]

約数ペア:

[(1, 20659232), (2, 10329616), (4, 5164808), (8, 2582404), (11, 1878112), (16, 1291202), (19, 1087328), (22, 939056), (32, 645601), (38, 543664), (44, 469528), (76, 271832), (88, 234764), (152, 135916), (176, 117382), (209, 98848), (304, 67958), (352, 58691), (418, 49424), (608, 33979), (836, 24712), (1672, 12356), (3089, 6688), (3344, 6178)]