20176920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1425

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 47046600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1367, 1476, 1640, 1845, 2460, 2734, 2952, 3690, 4101, 4920, 5468, 6835, 7380, 8202, 10936, 12303, 13670, 14760, 16404, 20505, 24606, 27340, 32808, 41010, 49212, 54680, 56047, 61515, 82020, 98424, 112094, 123030, 164040, 168141, 224188, 246060, 280235, 336282, 448376, 492120, 504423, 560470, 672564, 840705, 1008846, 1120940, 1345128, 1681410, 2017692, 2241880, 2522115, 3362820, 4035384, 5044230, 6725640, 10088460, 20176920]

約数ペア:

[(1, 20176920), (2, 10088460), (3, 6725640), (4, 5044230), (5, 4035384), (6, 3362820), (8, 2522115), (9, 2241880), (10, 2017692), (12, 1681410), (15, 1345128), (18, 1120940), (20, 1008846), (24, 840705), (30, 672564), (36, 560470), (40, 504423), (41, 492120), (45, 448376), (60, 336282), (72, 280235), (82, 246060), (90, 224188), (120, 168141), (123, 164040), (164, 123030), (180, 112094), (205, 98424), (246, 82020), (328, 61515), (360, 56047), (369, 54680), (410, 49212), (492, 41010), (615, 32808), (738, 27340), (820, 24606), (984, 20505), (1230, 16404), (1367, 14760), (1476, 13670), (1640, 12303), (1845, 10936), (2460, 8202), (2734, 7380), (2952, 6835), (3690, 5468), (4101, 4920)]