20344516225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{2731}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 27903642624

約数和(自身を除く): 7559126399

約数列:

[1, 5, 11, 25, 55, 103, 263, 275, 515, 1133, 1315, 2575, 2731, 2893, 5665, 6575, 13655, 14465, 27089, 28325, 30041, 68275, 72325, 135445, 150205, 281293, 297979, 677225, 718253, 751025, 1406465, 1489895, 3094223, 3591265, 7032325, 7449475, 7900783, 15471115, 17956325, 39503915, 73980059, 77355575, 197519575, 369900295, 813780649, 1849501475, 4068903245, 20344516225]

約数ペア:

[(1, 20344516225), (5, 4068903245), (11, 1849501475), (25, 813780649), (55, 369900295), (103, 197519575), (263, 77355575), (275, 73980059), (515, 39503915), (1133, 17956325), (1315, 15471115), (2575, 7900783), (2731, 7449475), (2893, 7032325), (5665, 3591265), (6575, 3094223), (13655, 1489895), (14465, 1406465), (27089, 751025), (28325, 718253), (30041, 677225), (68275, 297979), (72325, 281293), (135445, 150205)]