20123394018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{996109}}^1$

素因数の和:996171

約数の個数: 64

約数和(自身を含む): 50873329920

約数和(自身を除く): 30749935902

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 91, 111, 182, 222, 259, 273, 481, 518, 546, 777, 962, 1443, 1554, 2886, 3367, 6734, 10101, 20202, 996109, 1992218, 2988327, 5976654, 6972763, 12949417, 13945526, 20918289, 25898834, 36856033, 38848251, 41836578, 73712066, 77696502, 90645919, 110568099, 181291838, 221136198, 257992231, 271937757, 479128429, 515984462, 543875514, 773976693, 958256858, 1437385287, 1547953386, 2874770574, 3353899003, 6707798006, 10061697009, 20123394018]

約数ペア:

[(1, 20123394018), (2, 10061697009), (3, 6707798006), (6, 3353899003), (7, 2874770574), (13, 1547953386), (14, 1437385287), (21, 958256858), (26, 773976693), (37, 543875514), (39, 515984462), (42, 479128429), (74, 271937757), (78, 257992231), (91, 221136198), (111, 181291838), (182, 110568099), (222, 90645919), (259, 77696502), (273, 73712066), (481, 41836578), (518, 38848251), (546, 36856033), (777, 25898834), (962, 20918289), (1443, 13945526), (1554, 12949417), (2886, 6972763), (3367, 5976654), (6734, 2988327), (10101, 1992218), (20202, 996109)]