20838012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{599}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 31846788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 223, 446, 599, 669, 892, 1198, 1338, 1797, 2396, 2676, 2899, 3594, 5798, 7188, 7787, 8697, 11596, 15574, 17394, 23361, 31148, 34788, 46722, 93444, 133577, 267154, 400731, 534308, 801462, 1602924, 1736501, 3473002, 5209503, 6946004, 10419006, 20838012]

約数ペア:

[(1, 20838012), (2, 10419006), (3, 6946004), (4, 5209503), (6, 3473002), (12, 1736501), (13, 1602924), (26, 801462), (39, 534308), (52, 400731), (78, 267154), (156, 133577), (223, 93444), (446, 46722), (599, 34788), (669, 31148), (892, 23361), (1198, 17394), (1338, 15574), (1797, 11596), (2396, 8697), (2676, 7787), (2899, 7188), (3594, 5798)]