20187728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6037}}^1$

素因数の和:6075

約数の個数: 40

約数和(自身を含む): 44922720

約数和(自身を除く): 24734992

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6037, 12074, 24148, 48296, 66407, 96592, 114703, 132814, 229406, 265628, 458812, 531256, 917624, 1062512, 1261733, 1835248, 2523466, 5046932, 10093864, 20187728]

約数ペア:

[(1, 20187728), (2, 10093864), (4, 5046932), (8, 2523466), (11, 1835248), (16, 1261733), (19, 1062512), (22, 917624), (38, 531256), (44, 458812), (76, 265628), (88, 229406), (152, 132814), (176, 114703), (209, 96592), (304, 66407), (418, 48296), (836, 24148), (1672, 12074), (3344, 6037)]