20890500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:774

約数の個数: 96

約数和(自身を含む): 64122240

約数和(自身を除く): 43231740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 125, 150, 190, 228, 250, 285, 300, 375, 380, 475, 500, 570, 733, 750, 950, 1140, 1425, 1466, 1500, 1900, 2199, 2375, 2850, 2932, 3665, 4398, 4750, 5700, 7125, 7330, 8796, 9500, 10995, 13927, 14250, 14660, 18325, 21990, 27854, 28500, 36650, 41781, 43980, 54975, 55708, 69635, 73300, 83562, 91625, 109950, 139270, 167124, 183250, 208905, 219900, 274875, 278540, 348175, 366500, 417810, 549750, 696350, 835620, 1044525, 1099500, 1392700, 1740875, 2089050, 3481750, 4178100, 5222625, 6963500, 10445250, 20890500]

約数ペア:

[(1, 20890500), (2, 10445250), (3, 6963500), (4, 5222625), (5, 4178100), (6, 3481750), (10, 2089050), (12, 1740875), (15, 1392700), (19, 1099500), (20, 1044525), (25, 835620), (30, 696350), (38, 549750), (50, 417810), (57, 366500), (60, 348175), (75, 278540), (76, 274875), (95, 219900), (100, 208905), (114, 183250), (125, 167124), (150, 139270), (190, 109950), (228, 91625), (250, 83562), (285, 73300), (300, 69635), (375, 55708), (380, 54975), (475, 43980), (500, 41781), (570, 36650), (733, 28500), (750, 27854), (950, 21990), (1140, 18325), (1425, 14660), (1466, 14250), (1500, 13927), (1900, 10995), (2199, 9500), (2375, 8796), (2850, 7330), (2932, 7125), (3665, 5700), (4398, 4750)]