20212556403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7299587}}^1$

素因数の和:7299674

約数の個数: 16

約数和(自身を含む): 29431938816

約数和(自身を除く): 9219382413

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7299587, 21898761, 94894631, 284683893, 518270677, 1554812031, 6737518801, 20212556403]

約数ペア:

[(1, 20212556403), (3, 6737518801), (13, 1554812031), (39, 518270677), (71, 284683893), (213, 94894631), (923, 21898761), (2769, 7299587)]