20522808

素因数分解:

$2^3\times 3^8\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 63769680

約数和(自身を除く): 43246872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 27, 34, 36, 46, 51, 54, 68, 69, 72, 81, 92, 102, 108, 136, 138, 153, 162, 184, 204, 207, 216, 243, 276, 306, 324, 391, 408, 414, 459, 486, 552, 612, 621, 648, 729, 782, 828, 918, 972, 1173, 1224, 1242, 1377, 1458, 1564, 1656, 1836, 1863, 1944, 2187, 2346, 2484, 2754, 2916, 3128, 3519, 3672, 3726, 4131, 4374, 4692, 4968, 5508, 5589, 5832, 6561, 7038, 7452, 8262, 8748, 9384, 10557, 11016, 11178, 12393, 13122, 14076, 14904, 16524, 16767, 17496, 21114, 22356, 24786, 26244, 28152, 31671, 33048, 33534, 37179, 42228, 44712, 49572, 50301, 52488, 63342, 67068, 74358, 84456, 95013, 99144, 100602, 111537, 126684, 134136, 148716, 150903, 190026, 201204, 223074, 253368, 285039, 297432, 301806, 380052, 402408, 446148, 570078, 603612, 760104, 855117, 892296, 1140156, 1207224, 1710234, 2280312, 2565351, 3420468, 5130702, 6840936, 10261404, 20522808]

約数ペア:

[(1, 20522808), (2, 10261404), (3, 6840936), (4, 5130702), (6, 3420468), (8, 2565351), (9, 2280312), (12, 1710234), (17, 1207224), (18, 1140156), (23, 892296), (24, 855117), (27, 760104), (34, 603612), (36, 570078), (46, 446148), (51, 402408), (54, 380052), (68, 301806), (69, 297432), (72, 285039), (81, 253368), (92, 223074), (102, 201204), (108, 190026), (136, 150903), (138, 148716), (153, 134136), (162, 126684), (184, 111537), (204, 100602), (207, 99144), (216, 95013), (243, 84456), (276, 74358), (306, 67068), (324, 63342), (391, 52488), (408, 50301), (414, 49572), (459, 44712), (486, 42228), (552, 37179), (612, 33534), (621, 33048), (648, 31671), (729, 28152), (782, 26244), (828, 24786), (918, 22356), (972, 21114), (1173, 17496), (1224, 16767), (1242, 16524), (1377, 14904), (1458, 14076), (1564, 13122), (1656, 12393), (1836, 11178), (1863, 11016), (1944, 10557), (2187, 9384), (2346, 8748), (2484, 8262), (2754, 7452), (2916, 7038), (3128, 6561), (3519, 5832), (3672, 5589), (3726, 5508), (4131, 4968), (4374, 4692)]