20185751572

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1\times {\mathrm{10357}}^1$

素因数の和:11896

約数の個数: 48

約数和(自身を含む): 41262294528

約数和(自身を除く): 21076542956

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 1481, 2962, 5924, 10357, 10367, 20714, 20734, 41428, 41468, 69607, 72499, 139214, 144998, 278428, 289996, 486779, 487249, 973558, 974498, 1947116, 1948996, 3407453, 6814906, 13629812, 15338717, 30677434, 61354868, 107371019, 214742038, 429484076, 720919699, 1441839398, 2883678796, 5046437893, 10092875786, 20185751572]

約数ペア:

[(1, 20185751572), (2, 10092875786), (4, 5046437893), (7, 2883678796), (14, 1441839398), (28, 720919699), (47, 429484076), (94, 214742038), (188, 107371019), (329, 61354868), (658, 30677434), (1316, 15338717), (1481, 13629812), (2962, 6814906), (5924, 3407453), (10357, 1948996), (10367, 1947116), (20714, 974498), (20734, 973558), (41428, 487249), (41468, 486779), (69607, 289996), (72499, 278428), (139214, 144998)]