20622016

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 22903424

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 64, 82, 116, 164, 232, 271, 328, 464, 542, 656, 928, 1084, 1189, 1312, 1856, 2168, 2378, 2624, 4336, 4756, 7859, 8672, 9512, 11111, 15718, 17344, 19024, 22222, 31436, 38048, 44444, 62872, 76096, 88888, 125744, 177776, 251488, 322219, 355552, 502976, 644438, 711104, 1288876, 2577752, 5155504, 10311008, 20622016]

約数ペア:

[(1, 20622016), (2, 10311008), (4, 5155504), (8, 2577752), (16, 1288876), (29, 711104), (32, 644438), (41, 502976), (58, 355552), (64, 322219), (82, 251488), (116, 177776), (164, 125744), (232, 88888), (271, 76096), (328, 62872), (464, 44444), (542, 38048), (656, 31436), (928, 22222), (1084, 19024), (1189, 17344), (1312, 15718), (1856, 11111), (2168, 9512), (2378, 8672), (2624, 7859), (4336, 4756)]