20563152

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 55442880

約数和(自身を除く): 34879728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 59, 106, 118, 137, 159, 177, 212, 236, 274, 318, 354, 411, 424, 472, 548, 636, 708, 822, 848, 944, 1096, 1272, 1416, 1644, 2192, 2544, 2832, 3127, 3288, 6254, 6576, 7261, 8083, 9381, 12508, 14522, 16166, 18762, 21783, 24249, 25016, 29044, 32332, 37524, 43566, 48498, 50032, 58088, 64664, 75048, 87132, 96996, 116176, 129328, 150096, 174264, 193992, 348528, 387984, 428399, 856798, 1285197, 1713596, 2570394, 3427192, 5140788, 6854384, 10281576, 20563152]

約数ペア:

[(1, 20563152), (2, 10281576), (3, 6854384), (4, 5140788), (6, 3427192), (8, 2570394), (12, 1713596), (16, 1285197), (24, 856798), (48, 428399), (53, 387984), (59, 348528), (106, 193992), (118, 174264), (137, 150096), (159, 129328), (177, 116176), (212, 96996), (236, 87132), (274, 75048), (318, 64664), (354, 58088), (411, 50032), (424, 48498), (472, 43566), (548, 37524), (636, 32332), (708, 29044), (822, 25016), (848, 24249), (944, 21783), (1096, 18762), (1272, 16166), (1416, 14522), (1644, 12508), (2192, 9381), (2544, 8083), (2832, 7261), (3127, 6576), (3288, 6254)]