20570340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 72382464

約数和(自身を除く): 51812124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 51, 60, 67, 68, 70, 84, 85, 86, 102, 105, 119, 129, 134, 140, 170, 172, 201, 204, 210, 215, 238, 255, 258, 268, 301, 335, 340, 357, 402, 420, 430, 469, 476, 510, 516, 595, 602, 645, 670, 714, 731, 804, 860, 903, 938, 1005, 1020, 1139, 1190, 1204, 1290, 1340, 1407, 1428, 1462, 1505, 1785, 1806, 1876, 2010, 2193, 2278, 2345, 2380, 2580, 2814, 2881, 2924, 3010, 3417, 3570, 3612, 3655, 4020, 4386, 4515, 4556, 4690, 5117, 5628, 5695, 5762, 6020, 6834, 7035, 7140, 7310, 7973, 8643, 8772, 9030, 9380, 10234, 10965, 11390, 11524, 13668, 14070, 14405, 14620, 15351, 15946, 17085, 17286, 18060, 20167, 20468, 21930, 22780, 23919, 25585, 28140, 28810, 30702, 31892, 34170, 34572, 39865, 40334, 43215, 43860, 47838, 48977, 51170, 57620, 60501, 61404, 68340, 76755, 79730, 80668, 86430, 95676, 97954, 100835, 102340, 119595, 121002, 146931, 153510, 159460, 172860, 195908, 201670, 239190, 242004, 244885, 293862, 302505, 307020, 342839, 403340, 478380, 489770, 587724, 605010, 685678, 734655, 979540, 1028517, 1210020, 1371356, 1469310, 1714195, 2057034, 2938620, 3428390, 4114068, 5142585, 6856780, 10285170, 20570340]

約数ペア:

[(1, 20570340), (2, 10285170), (3, 6856780), (4, 5142585), (5, 4114068), (6, 3428390), (7, 2938620), (10, 2057034), (12, 1714195), (14, 1469310), (15, 1371356), (17, 1210020), (20, 1028517), (21, 979540), (28, 734655), (30, 685678), (34, 605010), (35, 587724), (42, 489770), (43, 478380), (51, 403340), (60, 342839), (67, 307020), (68, 302505), (70, 293862), (84, 244885), (85, 242004), (86, 239190), (102, 201670), (105, 195908), (119, 172860), (129, 159460), (134, 153510), (140, 146931), (170, 121002), (172, 119595), (201, 102340), (204, 100835), (210, 97954), (215, 95676), (238, 86430), (255, 80668), (258, 79730), (268, 76755), (301, 68340), (335, 61404), (340, 60501), (357, 57620), (402, 51170), (420, 48977), (430, 47838), (469, 43860), (476, 43215), (510, 40334), (516, 39865), (595, 34572), (602, 34170), (645, 31892), (670, 30702), (714, 28810), (731, 28140), (804, 25585), (860, 23919), (903, 22780), (938, 21930), (1005, 20468), (1020, 20167), (1139, 18060), (1190, 17286), (1204, 17085), (1290, 15946), (1340, 15351), (1407, 14620), (1428, 14405), (1462, 14070), (1505, 13668), (1785, 11524), (1806, 11390), (1876, 10965), (2010, 10234), (2193, 9380), (2278, 9030), (2345, 8772), (2380, 8643), (2580, 7973), (2814, 7310), (2881, 7140), (2924, 7035), (3010, 6834), (3417, 6020), (3570, 5762), (3612, 5695), (3655, 5628), (4020, 5117), (4386, 4690), (4515, 4556)]