20498916

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 49279104

約数和(自身を除く): 28780188

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 167, 193, 212, 318, 334, 386, 501, 579, 636, 668, 772, 1002, 1158, 2004, 2316, 8851, 10229, 17702, 20458, 26553, 30687, 32231, 35404, 40916, 53106, 61374, 64462, 96693, 106212, 122748, 128924, 193386, 386772, 1708243, 3416486, 5124729, 6832972, 10249458, 20498916]

約数ペア:

[(1, 20498916), (2, 10249458), (3, 6832972), (4, 5124729), (6, 3416486), (12, 1708243), (53, 386772), (106, 193386), (159, 128924), (167, 122748), (193, 106212), (212, 96693), (318, 64462), (334, 61374), (386, 53106), (501, 40916), (579, 35404), (636, 32231), (668, 30687), (772, 26553), (1002, 20458), (1158, 17702), (2004, 10229), (2316, 8851)]