20717497430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{1753}}^1$

素因数の和:2134

約数の個数: 96

約数和(自身を含む): 44054305920

約数和(自身を除く): 23336808490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 271, 445, 490, 542, 623, 890, 1246, 1355, 1753, 1897, 2710, 3115, 3506, 3794, 4361, 6230, 8722, 8765, 9485, 12271, 13279, 17530, 18970, 21805, 24119, 24542, 26558, 43610, 48238, 61355, 66395, 85897, 120595, 122710, 132790, 156017, 168833, 171794, 241190, 312034, 337666, 429485, 475063, 780085, 844165, 858970, 950126, 1092119, 1181831, 1560170, 1688330, 2184238, 2363662, 2375315, 3325441, 4750630, 5460595, 5909155, 6650882, 7644833, 10921190, 11818310, 15289666, 16627205, 23278087, 33254410, 38224165, 42280607, 46556174, 76448330, 84561214, 116390435, 211403035, 232780870, 295964249, 422806070, 591928498, 1479821245, 2071749743, 2959642490, 4143499486, 10358748715, 20717497430]

約数ペア:

[(1, 20717497430), (2, 10358748715), (5, 4143499486), (7, 2959642490), (10, 2071749743), (14, 1479821245), (35, 591928498), (49, 422806070), (70, 295964249), (89, 232780870), (98, 211403035), (178, 116390435), (245, 84561214), (271, 76448330), (445, 46556174), (490, 42280607), (542, 38224165), (623, 33254410), (890, 23278087), (1246, 16627205), (1355, 15289666), (1753, 11818310), (1897, 10921190), (2710, 7644833), (3115, 6650882), (3506, 5909155), (3794, 5460595), (4361, 4750630), (6230, 3325441), (8722, 2375315), (8765, 2363662), (9485, 2184238), (12271, 1688330), (13279, 1560170), (17530, 1181831), (18970, 1092119), (21805, 950126), (24119, 858970), (24542, 844165), (26558, 780085), (43610, 475063), (48238, 429485), (61355, 337666), (66395, 312034), (85897, 241190), (120595, 171794), (122710, 168833), (132790, 156017)]