20139801620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4217}}^1\times {\mathrm{7703}}^1$

素因数の和:11960

約数の個数: 48

約数和(自身を含む): 43673914368

約数和(自身を除く): 23534112748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4217, 7703, 8434, 15406, 16868, 21085, 30812, 38515, 42170, 77030, 84340, 130727, 154060, 238793, 261454, 477586, 522908, 653635, 955172, 1193965, 1307270, 2387930, 2614540, 4775860, 32483551, 64967102, 129934204, 162417755, 324835510, 649671020, 1006990081, 2013980162, 4027960324, 5034950405, 10069900810, 20139801620]

約数ペア:

[(1, 20139801620), (2, 10069900810), (4, 5034950405), (5, 4027960324), (10, 2013980162), (20, 1006990081), (31, 649671020), (62, 324835510), (124, 162417755), (155, 129934204), (310, 64967102), (620, 32483551), (4217, 4775860), (7703, 2614540), (8434, 2387930), (15406, 1307270), (16868, 1193965), (21085, 955172), (30812, 653635), (38515, 522908), (42170, 477586), (77030, 261454), (84340, 238793), (130727, 154060)]