20105102018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1\times {\mathrm{262147}}^1$

素因数の和:263417

約数の個数: 16

約数和(自身を含む): 31155765504

約数和(自身を除く): 11050663486

約数列:

[1, 2, 31, 62, 1237, 2474, 38347, 76694, 262147, 524294, 8126557, 16253114, 324275839, 648551678, 10052551009, 20105102018]

約数ペア:

[(1, 20105102018), (2, 10052551009), (31, 648551678), (62, 324275839), (1237, 16253114), (2474, 8126557), (38347, 524294), (76694, 262147)]