20081340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3847}}^1$

素因数の和:3891

約数の個数: 72

約数和(自身を含む): 63030240

約数和(自身を除く): 42948900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3847, 5220, 7694, 11541, 15388, 19235, 23082, 34623, 38470, 46164, 57705, 69246, 76940, 111563, 115410, 138492, 173115, 223126, 230820, 334689, 346230, 446252, 557815, 669378, 692460, 1004067, 1115630, 1338756, 1673445, 2008134, 2231260, 3346890, 4016268, 5020335, 6693780, 10040670, 20081340]

約数ペア:

[(1, 20081340), (2, 10040670), (3, 6693780), (4, 5020335), (5, 4016268), (6, 3346890), (9, 2231260), (10, 2008134), (12, 1673445), (15, 1338756), (18, 1115630), (20, 1004067), (29, 692460), (30, 669378), (36, 557815), (45, 446252), (58, 346230), (60, 334689), (87, 230820), (90, 223126), (116, 173115), (145, 138492), (174, 115410), (180, 111563), (261, 76940), (290, 69246), (348, 57705), (435, 46164), (522, 38470), (580, 34623), (870, 23082), (1044, 19235), (1305, 15388), (1740, 11541), (2610, 7694), (3847, 5220)]