20611778436

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{237277}}^1$

素因数の和:237433

約数の個数: 72

約数和(自身を含む): 55276282880

約数和(自身を除く): 34664504444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 127, 171, 228, 254, 342, 381, 508, 684, 762, 1143, 1524, 2286, 2413, 4572, 4826, 7239, 9652, 14478, 21717, 28956, 43434, 86868, 237277, 474554, 711831, 949108, 1423662, 2135493, 2847324, 4270986, 4508263, 8541972, 9016526, 13524789, 18033052, 27049578, 30134179, 40574367, 54099156, 60268358, 81148734, 90402537, 120536716, 162297468, 180805074, 271207611, 361610148, 542415222, 572549401, 1084830444, 1145098802, 1717648203, 2290197604, 3435296406, 5152944609, 6870592812, 10305889218, 20611778436]

約数ペア:

[(1, 20611778436), (2, 10305889218), (3, 6870592812), (4, 5152944609), (6, 3435296406), (9, 2290197604), (12, 1717648203), (18, 1145098802), (19, 1084830444), (36, 572549401), (38, 542415222), (57, 361610148), (76, 271207611), (114, 180805074), (127, 162297468), (171, 120536716), (228, 90402537), (254, 81148734), (342, 60268358), (381, 54099156), (508, 40574367), (684, 30134179), (762, 27049578), (1143, 18033052), (1524, 13524789), (2286, 9016526), (2413, 8541972), (4572, 4508263), (4826, 4270986), (7239, 2847324), (9652, 2135493), (14478, 1423662), (21717, 949108), (28956, 711831), (43434, 474554), (86868, 237277)]