20059260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25717}}^1$

素因数の和:25742

約数の個数: 48

約数和(自身を含む): 60488736

約数和(自身を除く): 40429476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25717, 51434, 77151, 102868, 128585, 154302, 257170, 308604, 334321, 385755, 514340, 668642, 771510, 1002963, 1337284, 1543020, 1671605, 2005926, 3343210, 4011852, 5014815, 6686420, 10029630, 20059260]

約数ペア:

[(1, 20059260), (2, 10029630), (3, 6686420), (4, 5014815), (5, 4011852), (6, 3343210), (10, 2005926), (12, 1671605), (13, 1543020), (15, 1337284), (20, 1002963), (26, 771510), (30, 668642), (39, 514340), (52, 385755), (60, 334321), (65, 308604), (78, 257170), (130, 154302), (156, 128585), (195, 102868), (260, 77151), (390, 51434), (780, 25717)]