20719656

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9283}}^1$

素因数の和:9326

約数の個数: 48

約数和(自身を含む): 57932160

約数和(自身を除く): 37212504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9283, 18566, 27849, 37132, 55698, 74264, 83547, 111396, 167094, 222792, 287773, 334188, 575546, 668376, 863319, 1151092, 1726638, 2302184, 2589957, 3453276, 5179914, 6906552, 10359828, 20719656]

約数ペア:

[(1, 20719656), (2, 10359828), (3, 6906552), (4, 5179914), (6, 3453276), (8, 2589957), (9, 2302184), (12, 1726638), (18, 1151092), (24, 863319), (31, 668376), (36, 575546), (62, 334188), (72, 287773), (93, 222792), (124, 167094), (186, 111396), (248, 83547), (279, 74264), (372, 55698), (558, 37132), (744, 27849), (1116, 18566), (2232, 9283)]