20763333

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 12932667

約数列:

[1, 3, 9, 19, 29, 53, 57, 79, 87, 159, 171, 237, 261, 477, 551, 711, 1007, 1501, 1537, 1653, 2291, 3021, 4187, 4503, 4611, 4959, 6873, 9063, 12561, 13509, 13833, 20619, 29203, 37683, 43529, 79553, 87609, 121423, 130587, 238659, 262827, 364269, 391761, 715977, 1092807, 2307037, 6921111, 20763333]

約数ペア:

[(1, 20763333), (3, 6921111), (9, 2307037), (19, 1092807), (29, 715977), (53, 391761), (57, 364269), (79, 262827), (87, 238659), (159, 130587), (171, 121423), (237, 87609), (261, 79553), (477, 43529), (551, 37683), (711, 29203), (1007, 20619), (1501, 13833), (1537, 13509), (1653, 12561), (2291, 9063), (3021, 6873), (4187, 4959), (4503, 4611)]