20161322012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{15727}}^1$

素因数の和:16110

約数の個数: 48

約数和(自身を含む): 38564426880

約数和(自身を除く): 18403104868

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 277, 356, 554, 1108, 1157, 2314, 3601, 4628, 7202, 14404, 15727, 24653, 31454, 49306, 62908, 98612, 204451, 320489, 408902, 640978, 817804, 1281956, 1399703, 2799406, 4356379, 5598812, 8712758, 17425516, 18196139, 36392278, 56632927, 72784556, 113265854, 226531708, 387717731, 775435462, 1550870924, 5040330503, 10080661006, 20161322012]

約数ペア:

[(1, 20161322012), (2, 10080661006), (4, 5040330503), (13, 1550870924), (26, 775435462), (52, 387717731), (89, 226531708), (178, 113265854), (277, 72784556), (356, 56632927), (554, 36392278), (1108, 18196139), (1157, 17425516), (2314, 8712758), (3601, 5598812), (4628, 4356379), (7202, 2799406), (14404, 1399703), (15727, 1281956), (24653, 817804), (31454, 640978), (49306, 408902), (62908, 320489), (98612, 204451)]