20133461775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{39989}}^1$

素因数の和:40153

約数の個数: 72

約数和(自身を含む): 39005606160

約数和(自身を除く): 18872144385

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 137, 147, 175, 245, 411, 525, 685, 735, 959, 1225, 2055, 2877, 3425, 3675, 4795, 6713, 10275, 14385, 20139, 23975, 33565, 39989, 71925, 100695, 119967, 167825, 199945, 279923, 503475, 599835, 839769, 999725, 1399615, 1959461, 2999175, 4198845, 5478493, 5878383, 6998075, 9797305, 16435479, 20994225, 27392465, 29391915, 38349451, 48986525, 82177395, 115048353, 136962325, 146959575, 191747255, 268446157, 410886975, 575241765, 805338471, 958736275, 1342230785, 2876208825, 4026692355, 6711153925, 20133461775]

約数ペア:

[(1, 20133461775), (3, 6711153925), (5, 4026692355), (7, 2876208825), (15, 1342230785), (21, 958736275), (25, 805338471), (35, 575241765), (49, 410886975), (75, 268446157), (105, 191747255), (137, 146959575), (147, 136962325), (175, 115048353), (245, 82177395), (411, 48986525), (525, 38349451), (685, 29391915), (735, 27392465), (959, 20994225), (1225, 16435479), (2055, 9797305), (2877, 6998075), (3425, 5878383), (3675, 5478493), (4795, 4198845), (6713, 2999175), (10275, 1959461), (14385, 1399615), (20139, 999725), (23975, 839769), (33565, 599835), (39989, 503475), (71925, 279923), (100695, 199945), (119967, 167825)]