20458836

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 53936064

約数和(自身を除く): 33477228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 83, 123, 164, 166, 167, 246, 249, 332, 334, 369, 492, 498, 501, 668, 738, 747, 996, 1002, 1476, 1494, 1503, 2004, 2988, 3006, 3403, 6012, 6806, 6847, 10209, 13612, 13694, 13861, 20418, 20541, 27388, 27722, 30627, 40836, 41082, 41583, 55444, 61254, 61623, 82164, 83166, 122508, 123246, 124749, 166332, 246492, 249498, 498996, 568301, 1136602, 1704903, 2273204, 3409806, 5114709, 6819612, 10229418, 20458836]

約数ペア:

[(1, 20458836), (2, 10229418), (3, 6819612), (4, 5114709), (6, 3409806), (9, 2273204), (12, 1704903), (18, 1136602), (36, 568301), (41, 498996), (82, 249498), (83, 246492), (123, 166332), (164, 124749), (166, 123246), (167, 122508), (246, 83166), (249, 82164), (332, 61623), (334, 61254), (369, 55444), (492, 41583), (498, 41082), (501, 40836), (668, 30627), (738, 27722), (747, 27388), (996, 20541), (1002, 20418), (1476, 13861), (1494, 13694), (1503, 13612), (2004, 10209), (2988, 6847), (3006, 6806), (3403, 6012)]