20180654865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{87641}}^1$

素因数の和:87719

約数の個数: 96

約数和(自身を含む): 43313377536

約数和(自身を除く): 23132722671

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 43, 45, 51, 63, 85, 105, 119, 129, 153, 215, 255, 301, 315, 357, 387, 595, 645, 731, 765, 903, 1071, 1505, 1785, 1935, 2193, 2709, 3655, 4515, 5117, 5355, 6579, 10965, 13545, 15351, 25585, 32895, 46053, 76755, 87641, 230265, 262923, 438205, 613487, 788769, 1314615, 1489897, 1840461, 3067435, 3768563, 3943845, 4469691, 5521383, 7449485, 9202305, 10429279, 11305689, 13409073, 18842815, 22348455, 26379941, 27606915, 31287837, 33917067, 52146395, 56528445, 64065571, 67045365, 79139823, 93863511, 131899705, 156439185, 169585335, 192196713, 237419469, 320327855, 395699115, 448458997, 469317555, 576590139, 960983565, 1187097345, 1345376991, 2242294985, 2882950695, 4036130973, 6726884955, 20180654865]

約数ペア:

[(1, 20180654865), (3, 6726884955), (5, 4036130973), (7, 2882950695), (9, 2242294985), (15, 1345376991), (17, 1187097345), (21, 960983565), (35, 576590139), (43, 469317555), (45, 448458997), (51, 395699115), (63, 320327855), (85, 237419469), (105, 192196713), (119, 169585335), (129, 156439185), (153, 131899705), (215, 93863511), (255, 79139823), (301, 67045365), (315, 64065571), (357, 56528445), (387, 52146395), (595, 33917067), (645, 31287837), (731, 27606915), (765, 26379941), (903, 22348455), (1071, 18842815), (1505, 13409073), (1785, 11305689), (1935, 10429279), (2193, 9202305), (2709, 7449485), (3655, 5521383), (4515, 4469691), (5117, 3943845), (5355, 3768563), (6579, 3067435), (10965, 1840461), (13545, 1489897), (15351, 1314615), (25585, 788769), (32895, 613487), (46053, 438205), (76755, 262923), (87641, 230265)]