20853210112

素因数分解:

$2^{10}\times 7^1\times {\mathrm{367}}^1\times {\mathrm{7927}}^1$

素因数の和:8321

約数の個数: 88

約数和(自身を含む): 47777045504

約数和(自身を除く): 26923835392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 367, 448, 512, 734, 896, 1024, 1468, 1792, 2569, 2936, 3584, 5138, 5872, 7168, 7927, 10276, 11744, 15854, 20552, 23488, 31708, 41104, 46976, 55489, 63416, 82208, 93952, 110978, 126832, 164416, 187904, 221956, 253664, 328832, 375808, 443912, 507328, 657664, 887824, 1014656, 1315328, 1775648, 2029312, 2630656, 2909209, 3551296, 4058624, 5818418, 7102592, 8117248, 11636836, 14205184, 20364463, 23273672, 28410368, 40728926, 46547344, 56820736, 81457852, 93094688, 162915704, 186189376, 325831408, 372378752, 651662816, 744757504, 1303325632, 1489515008, 2606651264, 2979030016, 5213302528, 10426605056, 20853210112]

約数ペア:

[(1, 20853210112), (2, 10426605056), (4, 5213302528), (7, 2979030016), (8, 2606651264), (14, 1489515008), (16, 1303325632), (28, 744757504), (32, 651662816), (56, 372378752), (64, 325831408), (112, 186189376), (128, 162915704), (224, 93094688), (256, 81457852), (367, 56820736), (448, 46547344), (512, 40728926), (734, 28410368), (896, 23273672), (1024, 20364463), (1468, 14205184), (1792, 11636836), (2569, 8117248), (2936, 7102592), (3584, 5818418), (5138, 4058624), (5872, 3551296), (7168, 2909209), (7927, 2630656), (10276, 2029312), (11744, 1775648), (15854, 1315328), (20552, 1014656), (23488, 887824), (31708, 657664), (41104, 507328), (46976, 443912), (55489, 375808), (63416, 328832), (82208, 253664), (93952, 221956), (110978, 187904), (126832, 164416)]