20185181296

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2281327}}^1$

素因数の和:2281421

約数の個数: 40

約数和(自身を含む): 45261547520

約数和(自身を除く): 25076366224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 2281327, 4562654, 9125308, 15969289, 18250616, 31938578, 36501232, 63877156, 127754312, 180224833, 255508624, 360449666, 720899332, 1261573831, 1441798664, 2523147662, 2883597328, 5046295324, 10092590648, 20185181296]

約数ペア:

[(1, 20185181296), (2, 10092590648), (4, 5046295324), (7, 2883597328), (8, 2523147662), (14, 1441798664), (16, 1261573831), (28, 720899332), (56, 360449666), (79, 255508624), (112, 180224833), (158, 127754312), (316, 63877156), (553, 36501232), (632, 31938578), (1106, 18250616), (1264, 15969289), (2212, 9125308), (4424, 4562654), (8848, 2281327)]