20512887776

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{264997}}^1$

素因数の和:265107

約数の個数: 48

約数和(自身を含む): 42071082480

約数和(自身を除く): 21558194704

約数列:

[1, 2, 4, 8, 16, 32, 41, 59, 82, 118, 164, 236, 328, 472, 656, 944, 1312, 1888, 2419, 4838, 9676, 19352, 38704, 77408, 264997, 529994, 1059988, 2119976, 4239952, 8479904, 10864877, 15634823, 21729754, 31269646, 43459508, 62539292, 86919016, 125078584, 173838032, 250157168, 347676064, 500314336, 641027743, 1282055486, 2564110972, 5128221944, 10256443888, 20512887776]

約数ペア:

[(1, 20512887776), (2, 10256443888), (4, 5128221944), (8, 2564110972), (16, 1282055486), (32, 641027743), (41, 500314336), (59, 347676064), (82, 250157168), (118, 173838032), (164, 125078584), (236, 86919016), (328, 62539292), (472, 43459508), (656, 31269646), (944, 21729754), (1312, 15634823), (1888, 10864877), (2419, 8479904), (4838, 4239952), (9676, 2119976), (19352, 1059988), (38704, 529994), (77408, 264997)]