20458512

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4583}}^1$

素因数の和:4628

約数の個数: 60

約数和(自身を含む): 59115264

約数和(自身を除く): 38656752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4583, 9166, 13749, 18332, 27498, 36664, 41247, 54996, 73328, 82494, 109992, 142073, 164988, 219984, 284146, 329976, 426219, 568292, 659952, 852438, 1136584, 1278657, 1704876, 2273168, 2557314, 3409752, 5114628, 6819504, 10229256, 20458512]

約数ペア:

[(1, 20458512), (2, 10229256), (3, 6819504), (4, 5114628), (6, 3409752), (8, 2557314), (9, 2273168), (12, 1704876), (16, 1278657), (18, 1136584), (24, 852438), (31, 659952), (36, 568292), (48, 426219), (62, 329976), (72, 284146), (93, 219984), (124, 164988), (144, 142073), (186, 109992), (248, 82494), (279, 73328), (372, 54996), (496, 41247), (558, 36664), (744, 27498), (1116, 18332), (1488, 13749), (2232, 9166), (4464, 4583)]