20853720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19309}}^1$

素因数の和:19329

約数の個数: 64

約数和(自身を含む): 69516000

約数和(自身を除く): 48662280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19309, 38618, 57927, 77236, 96545, 115854, 154472, 173781, 193090, 231708, 289635, 347562, 386180, 463416, 521343, 579270, 695124, 772360, 868905, 1042686, 1158540, 1390248, 1737810, 2085372, 2317080, 2606715, 3475620, 4170744, 5213430, 6951240, 10426860, 20853720]

約数ペア:

[(1, 20853720), (2, 10426860), (3, 6951240), (4, 5213430), (5, 4170744), (6, 3475620), (8, 2606715), (9, 2317080), (10, 2085372), (12, 1737810), (15, 1390248), (18, 1158540), (20, 1042686), (24, 868905), (27, 772360), (30, 695124), (36, 579270), (40, 521343), (45, 463416), (54, 386180), (60, 347562), (72, 289635), (90, 231708), (108, 193090), (120, 173781), (135, 154472), (180, 115854), (216, 96545), (270, 77236), (360, 57927), (540, 38618), (1080, 19309)]