20792992

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3149

約数の個数: 48

約数和(自身を含む): 47023200

約数和(自身を除く): 26230208

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, 3109, 3344, 6218, 6688, 12436, 24872, 34199, 49744, 59071, 68398, 99488, 118142, 136796, 236284, 273592, 472568, 547184, 649781, 945136, 1094368, 1299562, 1890272, 2599124, 5198248, 10396496, 20792992]

約数ペア:

[(1, 20792992), (2, 10396496), (4, 5198248), (8, 2599124), (11, 1890272), (16, 1299562), (19, 1094368), (22, 945136), (32, 649781), (38, 547184), (44, 472568), (76, 273592), (88, 236284), (152, 136796), (176, 118142), (209, 99488), (304, 68398), (352, 59071), (418, 49744), (608, 34199), (836, 24872), (1672, 12436), (3109, 6688), (3344, 6218)]