20888970492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{23873}}^1$

素因数の和:24043

約数の個数: 96

約数和(自身を含む): 53905582080

約数和(自身を除く): 33016611588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 79, 142, 156, 158, 213, 237, 284, 316, 426, 474, 852, 923, 948, 1027, 1846, 2054, 2769, 3081, 3692, 4108, 5538, 5609, 6162, 11076, 11218, 12324, 16827, 22436, 23873, 33654, 47746, 67308, 71619, 72917, 95492, 143238, 145834, 218751, 286476, 291668, 310349, 437502, 620698, 875004, 931047, 1241396, 1694983, 1862094, 1885967, 3389966, 3724188, 3771934, 5084949, 5657901, 6779932, 7543868, 10169898, 11315802, 20339796, 22034779, 22631604, 24517571, 44069558, 49035142, 66104337, 73552713, 88139116, 98070284, 132208674, 133903657, 147105426, 264417348, 267807314, 294210852, 401710971, 535614628, 803421942, 1606843884, 1740747541, 3481495082, 5222242623, 6962990164, 10444485246, 20888970492]

約数ペア:

[(1, 20888970492), (2, 10444485246), (3, 6962990164), (4, 5222242623), (6, 3481495082), (12, 1740747541), (13, 1606843884), (26, 803421942), (39, 535614628), (52, 401710971), (71, 294210852), (78, 267807314), (79, 264417348), (142, 147105426), (156, 133903657), (158, 132208674), (213, 98070284), (237, 88139116), (284, 73552713), (316, 66104337), (426, 49035142), (474, 44069558), (852, 24517571), (923, 22631604), (948, 22034779), (1027, 20339796), (1846, 11315802), (2054, 10169898), (2769, 7543868), (3081, 6779932), (3692, 5657901), (4108, 5084949), (5538, 3771934), (5609, 3724188), (6162, 3389966), (11076, 1885967), (11218, 1862094), (12324, 1694983), (16827, 1241396), (22436, 931047), (23873, 875004), (33654, 620698), (47746, 437502), (67308, 310349), (71619, 291668), (72917, 286476), (95492, 218751), (143238, 145834)]