2020378420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1\times {\mathrm{2129}}^1$

素因数の和:4224

約数の個数: 48

約数和(自身を含む): 4431490560

約数和(自身を除く): 2411112140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2063, 2129, 4126, 4258, 8252, 8516, 10315, 10645, 20630, 21290, 41260, 42580, 47449, 48967, 94898, 97934, 189796, 195868, 237245, 244835, 474490, 489670, 948980, 979340, 4392127, 8784254, 17568508, 21960635, 43921270, 87842540, 101018921, 202037842, 404075684, 505094605, 1010189210, 2020378420]

約数ペア:

[(1, 2020378420), (2, 1010189210), (4, 505094605), (5, 404075684), (10, 202037842), (20, 101018921), (23, 87842540), (46, 43921270), (92, 21960635), (115, 17568508), (230, 8784254), (460, 4392127), (2063, 979340), (2129, 948980), (4126, 489670), (4258, 474490), (8252, 244835), (8516, 237245), (10315, 195868), (10645, 189796), (20630, 97934), (21290, 94898), (41260, 48967), (42580, 47449)]