20199561340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{5087}}^1$

素因数の和:5467

約数の個数: 96

約数和(自身を含む): 49112469504

約数和(自身を除く): 28912908164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 251, 452, 502, 565, 791, 1004, 1130, 1255, 1582, 1757, 2260, 2510, 3164, 3514, 3955, 5020, 5087, 7028, 7910, 8785, 10174, 15820, 17570, 20348, 25435, 28363, 35140, 35609, 50870, 56726, 71218, 101740, 113452, 141815, 142436, 178045, 198541, 283630, 356090, 397082, 567260, 574831, 712180, 794164, 992705, 1149662, 1276837, 1985410, 2299324, 2553674, 2874155, 3970820, 4023817, 5107348, 5748310, 6384185, 8047634, 8937859, 11496620, 12768370, 16095268, 17875718, 20119085, 25536740, 35751436, 40238170, 44689295, 80476340, 89378590, 144282581, 178757180, 288565162, 577130324, 721412905, 1009978067, 1442825810, 2019956134, 2885651620, 4039912268, 5049890335, 10099780670, 20199561340]

約数ペア:

[(1, 20199561340), (2, 10099780670), (4, 5049890335), (5, 4039912268), (7, 2885651620), (10, 2019956134), (14, 1442825810), (20, 1009978067), (28, 721412905), (35, 577130324), (70, 288565162), (113, 178757180), (140, 144282581), (226, 89378590), (251, 80476340), (452, 44689295), (502, 40238170), (565, 35751436), (791, 25536740), (1004, 20119085), (1130, 17875718), (1255, 16095268), (1582, 12768370), (1757, 11496620), (2260, 8937859), (2510, 8047634), (3164, 6384185), (3514, 5748310), (3955, 5107348), (5020, 4023817), (5087, 3970820), (7028, 2874155), (7910, 2553674), (8785, 2299324), (10174, 1985410), (15820, 1276837), (17570, 1149662), (20348, 992705), (25435, 794164), (28363, 712180), (35140, 574831), (35609, 567260), (50870, 397082), (56726, 356090), (71218, 283630), (101740, 198541), (113452, 178045), (141815, 142436)]