20236087655

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{1601}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 29712614400

約数和(自身を除く): 9476526745

約数列:

[1, 5, 7, 19, 35, 83, 95, 133, 229, 415, 581, 665, 1145, 1577, 1601, 1603, 2905, 4351, 7885, 8005, 8015, 11039, 11207, 19007, 21755, 30419, 30457, 55195, 56035, 95035, 132883, 133049, 152095, 152285, 212933, 361133, 366629, 664415, 665245, 930181, 1064665, 1805665, 1833145, 2524777, 2527931, 2566403, 4650905, 6965951, 12623885, 12639655, 12832015, 17673439, 30430207, 34829755, 48761657, 88367195, 152151035, 213011449, 243808285, 578173933, 1065057245, 2890869665, 4047217531, 20236087655]

約数ペア:

[(1, 20236087655), (5, 4047217531), (7, 2890869665), (19, 1065057245), (35, 578173933), (83, 243808285), (95, 213011449), (133, 152151035), (229, 88367195), (415, 48761657), (581, 34829755), (665, 30430207), (1145, 17673439), (1577, 12832015), (1601, 12639655), (1603, 12623885), (2905, 6965951), (4351, 4650905), (7885, 2566403), (8005, 2527931), (8015, 2524777), (11039, 1833145), (11207, 1805665), (19007, 1064665), (21755, 930181), (30419, 665245), (30457, 664415), (55195, 366629), (56035, 361133), (95035, 212933), (132883, 152285), (133049, 152095)]