20561058

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 55935360

約数和(自身を除く): 35374302

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 29, 34, 42, 51, 58, 63, 87, 102, 119, 126, 153, 174, 203, 238, 261, 306, 331, 357, 406, 493, 522, 609, 662, 714, 986, 993, 1071, 1218, 1479, 1827, 1986, 2142, 2317, 2958, 2979, 3451, 3654, 4437, 4634, 5627, 5958, 6902, 6951, 8874, 9599, 10353, 11254, 13902, 16881, 19198, 20706, 20853, 28797, 31059, 33762, 39389, 41706, 50643, 57594, 62118, 67193, 78778, 86391, 101286, 118167, 134386, 163183, 172782, 201579, 236334, 326366, 354501, 403158, 489549, 604737, 709002, 979098, 1142281, 1209474, 1468647, 2284562, 2937294, 3426843, 6853686, 10280529, 20561058]

約数ペア:

[(1, 20561058), (2, 10280529), (3, 6853686), (6, 3426843), (7, 2937294), (9, 2284562), (14, 1468647), (17, 1209474), (18, 1142281), (21, 979098), (29, 709002), (34, 604737), (42, 489549), (51, 403158), (58, 354501), (63, 326366), (87, 236334), (102, 201579), (119, 172782), (126, 163183), (153, 134386), (174, 118167), (203, 101286), (238, 86391), (261, 78778), (306, 67193), (331, 62118), (357, 57594), (406, 50643), (493, 41706), (522, 39389), (609, 33762), (662, 31059), (714, 28797), (986, 20853), (993, 20706), (1071, 19198), (1218, 16881), (1479, 13902), (1827, 11254), (1986, 10353), (2142, 9599), (2317, 8874), (2958, 6951), (2979, 6902), (3451, 5958), (3654, 5627), (4437, 4634)]