20826120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24793}}^1$

素因数の和:24814

約数の個数: 64

約数和(自身を含む): 71406720

約数和(自身を除く): 50580600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24793, 49586, 74379, 99172, 123965, 148758, 173551, 198344, 247930, 297516, 347102, 371895, 495860, 520653, 595032, 694204, 743790, 867755, 991720, 1041306, 1388408, 1487580, 1735510, 2082612, 2603265, 2975160, 3471020, 4165224, 5206530, 6942040, 10413060, 20826120]

約数ペア:

[(1, 20826120), (2, 10413060), (3, 6942040), (4, 5206530), (5, 4165224), (6, 3471020), (7, 2975160), (8, 2603265), (10, 2082612), (12, 1735510), (14, 1487580), (15, 1388408), (20, 1041306), (21, 991720), (24, 867755), (28, 743790), (30, 694204), (35, 595032), (40, 520653), (42, 495860), (56, 371895), (60, 347102), (70, 297516), (84, 247930), (105, 198344), (120, 173551), (140, 148758), (168, 123965), (210, 99172), (280, 74379), (420, 49586), (840, 24793)]