20439300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9733}}^1$

素因数の和:9757

約数の個数: 72

約数和(自身を含む): 67592896

約数和(自身を除く): 47153596

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, 9733, 19466, 29199, 38932, 48665, 58398, 68131, 97330, 116796, 136262, 145995, 194660, 204393, 243325, 272524, 291990, 340655, 408786, 486650, 583980, 681310, 729975, 817572, 973300, 1021965, 1362620, 1459950, 1703275, 2043930, 2919900, 3406550, 4087860, 5109825, 6813100, 10219650, 20439300]

約数ペア:

[(1, 20439300), (2, 10219650), (3, 6813100), (4, 5109825), (5, 4087860), (6, 3406550), (7, 2919900), (10, 2043930), (12, 1703275), (14, 1459950), (15, 1362620), (20, 1021965), (21, 973300), (25, 817572), (28, 729975), (30, 681310), (35, 583980), (42, 486650), (50, 408786), (60, 340655), (70, 291990), (75, 272524), (84, 243325), (100, 204393), (105, 194660), (140, 145995), (150, 136262), (175, 116796), (210, 97330), (300, 68131), (350, 58398), (420, 48665), (525, 38932), (700, 29199), (1050, 19466), (2100, 9733)]