20080224

素因数分解:

$2^5\times 3^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 120

約数和(自身を含む): 60496128

約数和(自身を除く): 40415904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 72, 81, 96, 108, 122, 127, 144, 162, 183, 216, 244, 254, 288, 324, 366, 381, 432, 488, 508, 549, 648, 732, 762, 864, 976, 1016, 1098, 1143, 1296, 1464, 1524, 1647, 1952, 2032, 2196, 2286, 2592, 2928, 3048, 3294, 3429, 4064, 4392, 4572, 4941, 5856, 6096, 6588, 6858, 7747, 8784, 9144, 9882, 10287, 12192, 13176, 13716, 15494, 17568, 18288, 19764, 20574, 23241, 26352, 27432, 30988, 36576, 39528, 41148, 46482, 52704, 54864, 61976, 69723, 79056, 82296, 92964, 109728, 123952, 139446, 158112, 164592, 185928, 209169, 247904, 278892, 329184, 371856, 418338, 557784, 627507, 743712, 836676, 1115568, 1255014, 1673352, 2231136, 2510028, 3346704, 5020056, 6693408, 10040112, 20080224]

約数ペア:

[(1, 20080224), (2, 10040112), (3, 6693408), (4, 5020056), (6, 3346704), (8, 2510028), (9, 2231136), (12, 1673352), (16, 1255014), (18, 1115568), (24, 836676), (27, 743712), (32, 627507), (36, 557784), (48, 418338), (54, 371856), (61, 329184), (72, 278892), (81, 247904), (96, 209169), (108, 185928), (122, 164592), (127, 158112), (144, 139446), (162, 123952), (183, 109728), (216, 92964), (244, 82296), (254, 79056), (288, 69723), (324, 61976), (366, 54864), (381, 52704), (432, 46482), (488, 41148), (508, 39528), (549, 36576), (648, 30988), (732, 27432), (762, 26352), (864, 23241), (976, 20574), (1016, 19764), (1098, 18288), (1143, 17568), (1296, 15494), (1464, 13716), (1524, 13176), (1647, 12192), (1952, 10287), (2032, 9882), (2196, 9144), (2286, 8784), (2592, 7747), (2928, 6858), (3048, 6588), (3294, 6096), (3429, 5856), (4064, 4941), (4392, 4572)]