20191856074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 33657845760

約数和(自身を除く): 13465989686

約数列:

[1, 2, 13, 26, 61, 109, 122, 218, 271, 431, 542, 793, 862, 1417, 1586, 2834, 3523, 5603, 6649, 7046, 11206, 13298, 16531, 26291, 29539, 33062, 46979, 52582, 59078, 86437, 93958, 116801, 172874, 214903, 233602, 341783, 384007, 429806, 610727, 683566, 768014, 1221454, 1518413, 1801879, 2865719, 3036826, 3603758, 5731438, 7124861, 12731309, 14249722, 23424427, 25462618, 37254347, 46848854, 74508694, 92623193, 165507017, 185246386, 331014034, 776609849, 1553219698, 10095928037, 20191856074]

約数ペア:

[(1, 20191856074), (2, 10095928037), (13, 1553219698), (26, 776609849), (61, 331014034), (109, 185246386), (122, 165507017), (218, 92623193), (271, 74508694), (431, 46848854), (542, 37254347), (793, 25462618), (862, 23424427), (1417, 14249722), (1586, 12731309), (2834, 7124861), (3523, 5731438), (5603, 3603758), (6649, 3036826), (7046, 2865719), (11206, 1801879), (13298, 1518413), (16531, 1221454), (26291, 768014), (29539, 683566), (33062, 610727), (46979, 429806), (52582, 384007), (59078, 341783), (86437, 233602), (93958, 214903), (116801, 172874)]