20508390

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3617}}^1$

素因数の和:3643

約数の個数: 80

約数和(自身を含む): 63040032

約数和(自身を除く): 42531642

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3617, 5670, 7234, 10851, 18085, 21702, 25319, 32553, 36170, 50638, 54255, 65106, 75957, 97659, 108510, 126595, 151914, 162765, 195318, 227871, 253190, 292977, 325530, 379785, 455742, 488295, 585954, 683613, 759570, 976590, 1139355, 1367226, 1464885, 2050839, 2278710, 2929770, 3418065, 4101678, 6836130, 10254195, 20508390]

約数ペア:

[(1, 20508390), (2, 10254195), (3, 6836130), (5, 4101678), (6, 3418065), (7, 2929770), (9, 2278710), (10, 2050839), (14, 1464885), (15, 1367226), (18, 1139355), (21, 976590), (27, 759570), (30, 683613), (35, 585954), (42, 488295), (45, 455742), (54, 379785), (63, 325530), (70, 292977), (81, 253190), (90, 227871), (105, 195318), (126, 162765), (135, 151914), (162, 126595), (189, 108510), (210, 97659), (270, 75957), (315, 65106), (378, 54255), (405, 50638), (567, 36170), (630, 32553), (810, 25319), (945, 21702), (1134, 18085), (1890, 10851), (2835, 7234), (3617, 5670)]