20137788

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 60775680

約数和(自身を除く): 40637892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 67, 69, 92, 99, 108, 121, 132, 134, 138, 198, 201, 207, 242, 253, 268, 276, 297, 363, 396, 402, 414, 484, 506, 594, 603, 621, 726, 737, 759, 804, 828, 1012, 1089, 1188, 1206, 1242, 1452, 1474, 1518, 1541, 1809, 2178, 2211, 2277, 2412, 2484, 2783, 2948, 3036, 3082, 3267, 3618, 4356, 4422, 4554, 4623, 5566, 6164, 6534, 6633, 6831, 7236, 8107, 8349, 8844, 9108, 9246, 11132, 13068, 13266, 13662, 13869, 16214, 16698, 16951, 18492, 19899, 24321, 25047, 26532, 27324, 27738, 32428, 33396, 33902, 39798, 41607, 48642, 50094, 50853, 55476, 67804, 72963, 75141, 79596, 83214, 97284, 100188, 101706, 145926, 150282, 152559, 166428, 186461, 203412, 218889, 291852, 300564, 305118, 372922, 437778, 457677, 559383, 610236, 745844, 875556, 915354, 1118766, 1678149, 1830708, 2237532, 3356298, 5034447, 6712596, 10068894, 20137788]

約数ペア:

[(1, 20137788), (2, 10068894), (3, 6712596), (4, 5034447), (6, 3356298), (9, 2237532), (11, 1830708), (12, 1678149), (18, 1118766), (22, 915354), (23, 875556), (27, 745844), (33, 610236), (36, 559383), (44, 457677), (46, 437778), (54, 372922), (66, 305118), (67, 300564), (69, 291852), (92, 218889), (99, 203412), (108, 186461), (121, 166428), (132, 152559), (134, 150282), (138, 145926), (198, 101706), (201, 100188), (207, 97284), (242, 83214), (253, 79596), (268, 75141), (276, 72963), (297, 67804), (363, 55476), (396, 50853), (402, 50094), (414, 48642), (484, 41607), (506, 39798), (594, 33902), (603, 33396), (621, 32428), (726, 27738), (737, 27324), (759, 26532), (804, 25047), (828, 24321), (1012, 19899), (1089, 18492), (1188, 16951), (1206, 16698), (1242, 16214), (1452, 13869), (1474, 13662), (1518, 13266), (1541, 13068), (1809, 11132), (2178, 9246), (2211, 9108), (2277, 8844), (2412, 8349), (2484, 8107), (2783, 7236), (2948, 6831), (3036, 6633), (3082, 6534), (3267, 6164), (3618, 5566), (4356, 4623), (4422, 4554)]