20458410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2633}}^1$

素因数の和:2687

約数の個数: 64

約数和(自身を含む): 57652992

約数和(自身を除く): 37194582

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2633, 3885, 5266, 7770, 7899, 13165, 15798, 18431, 26330, 36862, 39495, 55293, 78990, 92155, 97421, 110586, 184310, 194842, 276465, 292263, 487105, 552930, 584526, 681947, 974210, 1363894, 1461315, 2045841, 2922630, 3409735, 4091682, 6819470, 10229205, 20458410]

約数ペア:

[(1, 20458410), (2, 10229205), (3, 6819470), (5, 4091682), (6, 3409735), (7, 2922630), (10, 2045841), (14, 1461315), (15, 1363894), (21, 974210), (30, 681947), (35, 584526), (37, 552930), (42, 487105), (70, 292263), (74, 276465), (105, 194842), (111, 184310), (185, 110586), (210, 97421), (222, 92155), (259, 78990), (370, 55293), (518, 39495), (555, 36862), (777, 26330), (1110, 18431), (1295, 15798), (1554, 13165), (2590, 7899), (2633, 7770), (3885, 5266)]