20955000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 71976960

約数和(自身を除く): 51021960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 127, 132, 150, 165, 200, 220, 250, 254, 264, 275, 300, 330, 375, 381, 440, 500, 508, 550, 600, 625, 635, 660, 750, 762, 825, 1000, 1016, 1100, 1250, 1270, 1320, 1375, 1397, 1500, 1524, 1650, 1875, 1905, 2200, 2500, 2540, 2750, 2794, 3000, 3048, 3175, 3300, 3750, 3810, 4125, 4191, 5000, 5080, 5500, 5588, 6350, 6600, 6875, 6985, 7500, 7620, 8250, 8382, 9525, 11000, 11176, 12700, 13750, 13970, 15000, 15240, 15875, 16500, 16764, 19050, 20625, 20955, 25400, 27500, 27940, 31750, 33000, 33528, 34925, 38100, 41250, 41910, 47625, 55000, 55880, 63500, 69850, 76200, 79375, 82500, 83820, 95250, 104775, 127000, 139700, 158750, 165000, 167640, 174625, 190500, 209550, 238125, 279400, 317500, 349250, 381000, 419100, 476250, 523875, 635000, 698500, 838200, 873125, 952500, 1047750, 1397000, 1746250, 1905000, 2095500, 2619375, 3492500, 4191000, 5238750, 6985000, 10477500, 20955000]

約数ペア:

[(1, 20955000), (2, 10477500), (3, 6985000), (4, 5238750), (5, 4191000), (6, 3492500), (8, 2619375), (10, 2095500), (11, 1905000), (12, 1746250), (15, 1397000), (20, 1047750), (22, 952500), (24, 873125), (25, 838200), (30, 698500), (33, 635000), (40, 523875), (44, 476250), (50, 419100), (55, 381000), (60, 349250), (66, 317500), (75, 279400), (88, 238125), (100, 209550), (110, 190500), (120, 174625), (125, 167640), (127, 165000), (132, 158750), (150, 139700), (165, 127000), (200, 104775), (220, 95250), (250, 83820), (254, 82500), (264, 79375), (275, 76200), (300, 69850), (330, 63500), (375, 55880), (381, 55000), (440, 47625), (500, 41910), (508, 41250), (550, 38100), (600, 34925), (625, 33528), (635, 33000), (660, 31750), (750, 27940), (762, 27500), (825, 25400), (1000, 20955), (1016, 20625), (1100, 19050), (1250, 16764), (1270, 16500), (1320, 15875), (1375, 15240), (1397, 15000), (1500, 13970), (1524, 13750), (1650, 12700), (1875, 11176), (1905, 11000), (2200, 9525), (2500, 8382), (2540, 8250), (2750, 7620), (2794, 7500), (3000, 6985), (3048, 6875), (3175, 6600), (3300, 6350), (3750, 5588), (3810, 5500), (4125, 5080), (4191, 5000)]