20167440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4976

約数の個数: 80

約数和(自身を含む): 66210048

約数和(自身を除く): 46042608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4943, 9886, 14829, 19772, 24715, 29658, 39544, 49430, 59316, 74145, 79088, 84031, 98860, 118632, 148290, 168062, 197720, 237264, 252093, 296580, 336124, 395440, 420155, 504186, 593160, 672248, 840310, 1008372, 1186320, 1260465, 1344496, 1680620, 2016744, 2520930, 3361240, 4033488, 5041860, 6722480, 10083720, 20167440]

約数ペア:

[(1, 20167440), (2, 10083720), (3, 6722480), (4, 5041860), (5, 4033488), (6, 3361240), (8, 2520930), (10, 2016744), (12, 1680620), (15, 1344496), (16, 1260465), (17, 1186320), (20, 1008372), (24, 840310), (30, 672248), (34, 593160), (40, 504186), (48, 420155), (51, 395440), (60, 336124), (68, 296580), (80, 252093), (85, 237264), (102, 197720), (120, 168062), (136, 148290), (170, 118632), (204, 98860), (240, 84031), (255, 79088), (272, 74145), (340, 59316), (408, 49430), (510, 39544), (680, 29658), (816, 24715), (1020, 19772), (1360, 14829), (2040, 9886), (4080, 4943)]