20138521552

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{607}}^1\times {\mathrm{5171}}^1$

素因数の和:6187

約数の個数: 40

約数和(自身を含む): 39187706112

約数和(自身を除く): 19049184560

約数列:

[1, 2, 4, 8, 16, 401, 607, 802, 1214, 1604, 2428, 3208, 4856, 5171, 6416, 9712, 10342, 20684, 41368, 82736, 243407, 486814, 973628, 1947256, 2073571, 3138797, 3894512, 4147142, 6277594, 8294284, 12555188, 16588568, 25110376, 33177136, 50220752, 1258657597, 2517315194, 5034630388, 10069260776, 20138521552]

約数ペア:

[(1, 20138521552), (2, 10069260776), (4, 5034630388), (8, 2517315194), (16, 1258657597), (401, 50220752), (607, 33177136), (802, 25110376), (1214, 16588568), (1604, 12555188), (2428, 8294284), (3208, 6277594), (4856, 4147142), (5171, 3894512), (6416, 3138797), (9712, 2073571), (10342, 1947256), (20684, 973628), (41368, 486814), (82736, 243407)]