20870189

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 22874880

約数和(自身を除く): 2004691

約数列:

[1, 19, 41, 73, 367, 779, 1387, 2993, 6973, 15047, 26791, 56867, 285893, 509029, 1098431, 20870189]

約数ペア:

[(1, 20870189), (19, 1098431), (41, 509029), (73, 285893), (367, 56867), (779, 26791), (1387, 15047), (2993, 6973)]