20851236

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27581}}^1$

素因数の和:27601

約数の個数: 48

約数和(自身を含む): 61783680

約数和(自身を除く): 40932444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27581, 55162, 82743, 110324, 165486, 193067, 248229, 330972, 386134, 496458, 579201, 744687, 772268, 992916, 1158402, 1489374, 1737603, 2316804, 2978748, 3475206, 5212809, 6950412, 10425618, 20851236]

約数ペア:

[(1, 20851236), (2, 10425618), (3, 6950412), (4, 5212809), (6, 3475206), (7, 2978748), (9, 2316804), (12, 1737603), (14, 1489374), (18, 1158402), (21, 992916), (27, 772268), (28, 744687), (36, 579201), (42, 496458), (54, 386134), (63, 330972), (84, 248229), (108, 193067), (126, 165486), (189, 110324), (252, 82743), (378, 55162), (756, 27581)]