20782224

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:749

約数の個数: 80

約数和(自身を含む): 60561600

約数和(自身を除く): 39779376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 657, 659, 876, 1168, 1314, 1318, 1752, 1971, 1977, 2628, 2636, 3504, 3942, 3954, 5256, 5272, 5931, 7884, 7908, 10512, 10544, 11862, 15768, 15816, 17793, 23724, 31536, 31632, 35586, 47448, 48107, 71172, 94896, 96214, 142344, 144321, 192428, 284688, 288642, 384856, 432963, 577284, 769712, 865926, 1154568, 1298889, 1731852, 2309136, 2597778, 3463704, 5195556, 6927408, 10391112, 20782224]

約数ペア:

[(1, 20782224), (2, 10391112), (3, 6927408), (4, 5195556), (6, 3463704), (8, 2597778), (9, 2309136), (12, 1731852), (16, 1298889), (18, 1154568), (24, 865926), (27, 769712), (36, 577284), (48, 432963), (54, 384856), (72, 288642), (73, 284688), (108, 192428), (144, 144321), (146, 142344), (216, 96214), (219, 94896), (292, 71172), (432, 48107), (438, 47448), (584, 35586), (657, 31632), (659, 31536), (876, 23724), (1168, 17793), (1314, 15816), (1318, 15768), (1752, 11862), (1971, 10544), (1977, 10512), (2628, 7908), (2636, 7884), (3504, 5931), (3942, 5272), (3954, 5256)]