20145255585

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2108347}}^1$

素因数の和:2108382

約数の個数: 48

約数和(自身を含む): 40379080896

約数和(自身を除く): 20233825311

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 9555, 2108347, 6325041, 10541735, 14758429, 27408511, 31625205, 44275287, 73792145, 82225533, 103309003, 137042555, 191859577, 221376435, 309927009, 411127665, 516545015, 575578731, 959297885, 1343017039, 1549635045, 2877893655, 4029051117, 6715085195, 20145255585]

約数ペア:

[(1, 20145255585), (3, 6715085195), (5, 4029051117), (7, 2877893655), (13, 1549635045), (15, 1343017039), (21, 959297885), (35, 575578731), (39, 516545015), (49, 411127665), (65, 309927009), (91, 221376435), (105, 191859577), (147, 137042555), (195, 103309003), (245, 82225533), (273, 73792145), (455, 44275287), (637, 31625205), (735, 27408511), (1365, 14758429), (1911, 10541735), (3185, 6325041), (9555, 2108347)]