20601900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2112

約数の個数: 108

約数和(自身を含む): 70479864

約数和(自身を除く): 49877964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2081, 2475, 3300, 4162, 4950, 6243, 8324, 9900, 10405, 12486, 18729, 20810, 22891, 24972, 31215, 37458, 41620, 45782, 52025, 62430, 68673, 74916, 91564, 93645, 104050, 114455, 124860, 137346, 156075, 187290, 206019, 208100, 228910, 274692, 312150, 343365, 374580, 412038, 457820, 468225, 572275, 624300, 686730, 824076, 936450, 1030095, 1144550, 1373460, 1716825, 1872900, 2060190, 2289100, 3433650, 4120380, 5150475, 6867300, 10300950, 20601900]

約数ペア:

[(1, 20601900), (2, 10300950), (3, 6867300), (4, 5150475), (5, 4120380), (6, 3433650), (9, 2289100), (10, 2060190), (11, 1872900), (12, 1716825), (15, 1373460), (18, 1144550), (20, 1030095), (22, 936450), (25, 824076), (30, 686730), (33, 624300), (36, 572275), (44, 468225), (45, 457820), (50, 412038), (55, 374580), (60, 343365), (66, 312150), (75, 274692), (90, 228910), (99, 208100), (100, 206019), (110, 187290), (132, 156075), (150, 137346), (165, 124860), (180, 114455), (198, 104050), (220, 93645), (225, 91564), (275, 74916), (300, 68673), (330, 62430), (396, 52025), (450, 45782), (495, 41620), (550, 37458), (660, 31215), (825, 24972), (900, 22891), (990, 20810), (1100, 18729), (1650, 12486), (1980, 10405), (2081, 9900), (2475, 8324), (3300, 6243), (4162, 4950)]