20120853900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9581359}}^1$

素因数の和:9581383

約数の個数: 72

約数和(自身を含む): 66532963840

約数和(自身を除く): 46412109940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9581359, 19162718, 28744077, 38325436, 47906795, 57488154, 67069513, 95813590, 114976308, 134139026, 143720385, 191627180, 201208539, 239533975, 268278052, 287440770, 335347565, 402417078, 479067950, 574881540, 670695130, 718601925, 804834156, 958135900, 1006042695, 1341390260, 1437203850, 1676737825, 2012085390, 2874407700, 3353475650, 4024170780, 5030213475, 6706951300, 10060426950, 20120853900]

約数ペア:

[(1, 20120853900), (2, 10060426950), (3, 6706951300), (4, 5030213475), (5, 4024170780), (6, 3353475650), (7, 2874407700), (10, 2012085390), (12, 1676737825), (14, 1437203850), (15, 1341390260), (20, 1006042695), (21, 958135900), (25, 804834156), (28, 718601925), (30, 670695130), (35, 574881540), (42, 479067950), (50, 402417078), (60, 335347565), (70, 287440770), (75, 268278052), (84, 239533975), (100, 201208539), (105, 191627180), (140, 143720385), (150, 134139026), (175, 114976308), (210, 95813590), (300, 67069513), (350, 57488154), (420, 47906795), (525, 38325436), (700, 28744077), (1050, 19162718), (2100, 9581359)]