20687700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6269}}^1$

素因数の和:6297

約数の個数: 72

約数和(自身を含む): 65308320

約数和(自身を除く): 44620620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6269, 12538, 18807, 25076, 31345, 37614, 62690, 68959, 75228, 94035, 125380, 137918, 156725, 188070, 206877, 275836, 313450, 344795, 376140, 413754, 470175, 626900, 689590, 827508, 940350, 1034385, 1379180, 1723975, 1880700, 2068770, 3447950, 4137540, 5171925, 6895900, 10343850, 20687700]

約数ペア:

[(1, 20687700), (2, 10343850), (3, 6895900), (4, 5171925), (5, 4137540), (6, 3447950), (10, 2068770), (11, 1880700), (12, 1723975), (15, 1379180), (20, 1034385), (22, 940350), (25, 827508), (30, 689590), (33, 626900), (44, 470175), (50, 413754), (55, 376140), (60, 344795), (66, 313450), (75, 275836), (100, 206877), (110, 188070), (132, 156725), (150, 137918), (165, 125380), (220, 94035), (275, 75228), (300, 68959), (330, 62690), (550, 37614), (660, 31345), (825, 25076), (1100, 18807), (1650, 12538), (3300, 6269)]