20708768

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{103}}^2$

素因数の和:277

約数の個数: 36

約数和(自身を含む): 41844978

約数和(自身を除く): 21136210

約数列:

[1, 2, 4, 8, 16, 32, 61, 103, 122, 206, 244, 412, 488, 824, 976, 1648, 1952, 3296, 6283, 10609, 12566, 21218, 25132, 42436, 50264, 84872, 100528, 169744, 201056, 339488, 647149, 1294298, 2588596, 5177192, 10354384, 20708768]

約数ペア:

[(1, 20708768), (2, 10354384), (4, 5177192), (8, 2588596), (16, 1294298), (32, 647149), (61, 339488), (103, 201056), (122, 169744), (206, 100528), (244, 84872), (412, 50264), (488, 42436), (824, 25132), (976, 21218), (1648, 12566), (1952, 10609), (3296, 6283)]