20757972

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 51254784

約数和(自身を除く): 30496812

約数列:

[1, 2, 3, 4, 6, 12, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 372, 492, 1271, 1361, 2542, 2722, 3813, 4083, 5084, 5444, 7626, 8166, 15252, 16332, 42191, 55801, 84382, 111602, 126573, 167403, 168764, 223204, 253146, 334806, 506292, 669612, 1729831, 3459662, 5189493, 6919324, 10378986, 20757972]

約数ペア:

[(1, 20757972), (2, 10378986), (3, 6919324), (4, 5189493), (6, 3459662), (12, 1729831), (31, 669612), (41, 506292), (62, 334806), (82, 253146), (93, 223204), (123, 168764), (124, 167403), (164, 126573), (186, 111602), (246, 84382), (372, 55801), (492, 42191), (1271, 16332), (1361, 15252), (2542, 8166), (2722, 7626), (3813, 5444), (4083, 5084)]