20641764

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 59157504

約数和(自身を除く): 38515740

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 23, 26, 33, 39, 44, 46, 52, 66, 69, 78, 92, 132, 138, 143, 156, 253, 276, 286, 299, 429, 506, 523, 572, 598, 759, 858, 897, 1012, 1046, 1196, 1518, 1569, 1716, 1794, 2092, 3036, 3138, 3289, 3588, 5753, 6276, 6578, 6799, 9867, 11506, 12029, 13156, 13598, 17259, 19734, 20397, 23012, 24058, 27196, 34518, 36087, 39468, 40794, 48116, 69036, 72174, 74789, 81588, 132319, 144348, 149578, 156377, 224367, 264638, 299156, 312754, 396957, 448734, 469131, 529276, 625508, 793914, 897468, 938262, 1587828, 1720147, 1876524, 3440294, 5160441, 6880588, 10320882, 20641764]

約数ペア:

[(1, 20641764), (2, 10320882), (3, 6880588), (4, 5160441), (6, 3440294), (11, 1876524), (12, 1720147), (13, 1587828), (22, 938262), (23, 897468), (26, 793914), (33, 625508), (39, 529276), (44, 469131), (46, 448734), (52, 396957), (66, 312754), (69, 299156), (78, 264638), (92, 224367), (132, 156377), (138, 149578), (143, 144348), (156, 132319), (253, 81588), (276, 74789), (286, 72174), (299, 69036), (429, 48116), (506, 40794), (523, 39468), (572, 36087), (598, 34518), (759, 27196), (858, 24058), (897, 23012), (1012, 20397), (1046, 19734), (1196, 17259), (1518, 13598), (1569, 13156), (1716, 12029), (1794, 11506), (2092, 9867), (3036, 6799), (3138, 6578), (3289, 6276), (3588, 5753)]