20606355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 47024640

約数和(自身を除く): 26418285

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 133, 165, 171, 209, 231, 285, 313, 315, 385, 399, 495, 627, 665, 693, 855, 939, 1045, 1155, 1197, 1463, 1565, 1881, 1995, 2191, 2817, 3135, 3443, 3465, 4389, 4695, 5947, 5985, 6573, 7315, 9405, 10329, 10955, 13167, 14085, 17215, 17841, 19719, 21945, 24101, 29735, 30987, 32865, 41629, 51645, 53523, 65417, 65835, 72303, 89205, 98595, 120505, 124887, 154935, 196251, 208145, 216909, 267615, 327085, 361515, 374661, 457919, 588753, 624435, 981255, 1084545, 1373757, 1873305, 2289595, 2943765, 4121271, 6868785, 20606355]

約数ペア:

[(1, 20606355), (3, 6868785), (5, 4121271), (7, 2943765), (9, 2289595), (11, 1873305), (15, 1373757), (19, 1084545), (21, 981255), (33, 624435), (35, 588753), (45, 457919), (55, 374661), (57, 361515), (63, 327085), (77, 267615), (95, 216909), (99, 208145), (105, 196251), (133, 154935), (165, 124887), (171, 120505), (209, 98595), (231, 89205), (285, 72303), (313, 65835), (315, 65417), (385, 53523), (399, 51645), (495, 41629), (627, 32865), (665, 30987), (693, 29735), (855, 24101), (939, 21945), (1045, 19719), (1155, 17841), (1197, 17215), (1463, 14085), (1565, 13167), (1881, 10955), (1995, 10329), (2191, 9405), (2817, 7315), (3135, 6573), (3443, 5985), (3465, 5947), (4389, 4695)]