20218784236

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1\times {\mathrm{10909}}^1$

素因数の和:12746

約数の個数: 48

約数和(自身を含む): 41557499200

約数和(自身を除く): 21338714964

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1789, 3578, 7156, 10909, 12523, 21818, 25046, 43636, 50092, 66193, 76363, 132386, 152726, 264772, 305452, 403633, 463351, 807266, 926702, 1614532, 1853404, 2825431, 5650862, 11301724, 19516201, 39032402, 78064804, 136613407, 273226814, 546453628, 722099437, 1444198874, 2888397748, 5054696059, 10109392118, 20218784236]

約数ペア:

[(1, 20218784236), (2, 10109392118), (4, 5054696059), (7, 2888397748), (14, 1444198874), (28, 722099437), (37, 546453628), (74, 273226814), (148, 136613407), (259, 78064804), (518, 39032402), (1036, 19516201), (1789, 11301724), (3578, 5650862), (7156, 2825431), (10909, 1853404), (12523, 1614532), (21818, 926702), (25046, 807266), (43636, 463351), (50092, 403633), (66193, 305452), (76363, 264772), (132386, 152726)]