20123808416

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{158047}}^1$

素因数の和:158253

約数の個数: 48

約数和(自身を含む): 41580532224

約数和(自身を除く): 21456723808

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 173, 184, 346, 368, 692, 736, 1384, 2768, 3979, 5536, 7958, 15916, 31832, 63664, 127328, 158047, 316094, 632188, 1264376, 2528752, 3635081, 5057504, 7270162, 14540324, 27342131, 29080648, 54684262, 58161296, 109368524, 116322592, 218737048, 437474096, 628869013, 874948192, 1257738026, 2515476052, 5030952104, 10061904208, 20123808416]

約数ペア:

[(1, 20123808416), (2, 10061904208), (4, 5030952104), (8, 2515476052), (16, 1257738026), (23, 874948192), (32, 628869013), (46, 437474096), (92, 218737048), (173, 116322592), (184, 109368524), (346, 58161296), (368, 54684262), (692, 29080648), (736, 27342131), (1384, 14540324), (2768, 7270162), (3979, 5057504), (5536, 3635081), (7958, 2528752), (15916, 1264376), (31832, 632188), (63664, 316094), (127328, 158047)]