20652960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2566

約数の個数: 96

約数和(自身を含む): 68910912

約数和(自身を除く): 48257952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2531, 2720, 4080, 5062, 7593, 8160, 10124, 12655, 15186, 20248, 25310, 30372, 37965, 40496, 43027, 50620, 60744, 75930, 80992, 86054, 101240, 121488, 129081, 151860, 172108, 202480, 215135, 242976, 258162, 303720, 344216, 404960, 430270, 516324, 607440, 645405, 688432, 860540, 1032648, 1214880, 1290810, 1376864, 1721080, 2065296, 2581620, 3442160, 4130592, 5163240, 6884320, 10326480, 20652960]

約数ペア:

[(1, 20652960), (2, 10326480), (3, 6884320), (4, 5163240), (5, 4130592), (6, 3442160), (8, 2581620), (10, 2065296), (12, 1721080), (15, 1376864), (16, 1290810), (17, 1214880), (20, 1032648), (24, 860540), (30, 688432), (32, 645405), (34, 607440), (40, 516324), (48, 430270), (51, 404960), (60, 344216), (68, 303720), (80, 258162), (85, 242976), (96, 215135), (102, 202480), (120, 172108), (136, 151860), (160, 129081), (170, 121488), (204, 101240), (240, 86054), (255, 80992), (272, 75930), (340, 60744), (408, 50620), (480, 43027), (510, 40496), (544, 37965), (680, 30372), (816, 25310), (1020, 20248), (1360, 15186), (1632, 12655), (2040, 10124), (2531, 8160), (2720, 7593), (4080, 5062)]