20098815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2971}}^1$

素因数の和:3031

約数の個数: 32

約数和(自身を含む): 35949312

約数和(自身を除く): 15850497

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 2971, 6765, 8913, 14855, 32681, 44565, 98043, 121811, 163405, 365433, 490215, 609055, 1339921, 1827165, 4019763, 6699605, 20098815]

約数ペア:

[(1, 20098815), (3, 6699605), (5, 4019763), (11, 1827165), (15, 1339921), (33, 609055), (41, 490215), (55, 365433), (123, 163405), (165, 121811), (205, 98043), (451, 44565), (615, 32681), (1353, 14855), (2255, 8913), (2971, 6765)]