20193973928

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{2879}}^1$

素因数の和:3242

約数の個数: 64

約数和(自身を含む): 39303014400

約数和(自身を除く): 19109040472

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 233, 284, 424, 466, 568, 932, 1864, 2879, 3763, 5758, 7526, 11516, 12349, 15052, 16543, 23032, 24698, 30104, 33086, 49396, 66172, 98792, 132344, 152587, 204409, 305174, 408818, 610348, 670807, 817636, 876779, 1220696, 1341614, 1635272, 1753558, 2683228, 3507116, 5366456, 7014232, 10833677, 21667354, 35552771, 43334708, 47627297, 71105542, 86669416, 95254594, 142211084, 190509188, 284422168, 381018376, 2524246741, 5048493482, 10096986964, 20193973928]

約数ペア:

[(1, 20193973928), (2, 10096986964), (4, 5048493482), (8, 2524246741), (53, 381018376), (71, 284422168), (106, 190509188), (142, 142211084), (212, 95254594), (233, 86669416), (284, 71105542), (424, 47627297), (466, 43334708), (568, 35552771), (932, 21667354), (1864, 10833677), (2879, 7014232), (3763, 5366456), (5758, 3507116), (7526, 2683228), (11516, 1753558), (12349, 1635272), (15052, 1341614), (16543, 1220696), (23032, 876779), (24698, 817636), (30104, 670807), (33086, 610348), (49396, 408818), (66172, 305174), (98792, 204409), (132344, 152587)]