20954370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 53778816

約数和(自身を除く): 32824446

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 181, 227, 255, 362, 454, 510, 543, 681, 905, 1086, 1135, 1362, 1810, 2270, 2715, 3077, 3405, 3859, 5430, 6154, 6810, 7718, 9231, 11577, 15385, 18462, 19295, 23154, 30770, 38590, 41087, 46155, 57885, 82174, 92310, 115770, 123261, 205435, 246522, 410870, 616305, 698479, 1232610, 1396958, 2095437, 3492395, 4190874, 6984790, 10477185, 20954370]

約数ペア:

[(1, 20954370), (2, 10477185), (3, 6984790), (5, 4190874), (6, 3492395), (10, 2095437), (15, 1396958), (17, 1232610), (30, 698479), (34, 616305), (51, 410870), (85, 246522), (102, 205435), (170, 123261), (181, 115770), (227, 92310), (255, 82174), (362, 57885), (454, 46155), (510, 41087), (543, 38590), (681, 30770), (905, 23154), (1086, 19295), (1135, 18462), (1362, 15385), (1810, 11577), (2270, 9231), (2715, 7718), (3077, 6810), (3405, 6154), (3859, 5430)]