20675312

素因数分解:

$2^4\times 7^1\times {\mathrm{367}}^1\times {\mathrm{503}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 45997056

約数和(自身を除く): 25321744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 367, 503, 734, 1006, 1468, 2012, 2569, 2936, 3521, 4024, 5138, 5872, 7042, 8048, 10276, 14084, 20552, 28168, 41104, 56336, 184601, 369202, 738404, 1292207, 1476808, 2584414, 2953616, 5168828, 10337656, 20675312]

約数ペア:

[(1, 20675312), (2, 10337656), (4, 5168828), (7, 2953616), (8, 2584414), (14, 1476808), (16, 1292207), (28, 738404), (56, 369202), (112, 184601), (367, 56336), (503, 41104), (734, 28168), (1006, 20552), (1468, 14084), (2012, 10276), (2569, 8048), (2936, 7042), (3521, 5872), (4024, 5138)]