20779380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1723}}^1$

素因数の和:1805

約数の個数: 72

約数和(自身を含む): 64008672

約数和(自身を除く): 43229292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1723, 2010, 2412, 3015, 3446, 4020, 5169, 6030, 6892, 8615, 10338, 12060, 15507, 17230, 20676, 25845, 31014, 34460, 51690, 62028, 77535, 103380, 115441, 155070, 230882, 310140, 346323, 461764, 577205, 692646, 1038969, 1154410, 1385292, 1731615, 2077938, 2308820, 3463230, 4155876, 5194845, 6926460, 10389690, 20779380]

約数ペア:

[(1, 20779380), (2, 10389690), (3, 6926460), (4, 5194845), (5, 4155876), (6, 3463230), (9, 2308820), (10, 2077938), (12, 1731615), (15, 1385292), (18, 1154410), (20, 1038969), (30, 692646), (36, 577205), (45, 461764), (60, 346323), (67, 310140), (90, 230882), (134, 155070), (180, 115441), (201, 103380), (268, 77535), (335, 62028), (402, 51690), (603, 34460), (670, 31014), (804, 25845), (1005, 20676), (1206, 17230), (1340, 15507), (1723, 12060), (2010, 10338), (2412, 8615), (3015, 6892), (3446, 6030), (4020, 5169)]