20876648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4271}}^1$

素因数の和:4337

約数の個数: 32

約数和(自身を含む): 43061760

約数和(自身を除く): 22185112

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4271, 4888, 8542, 17084, 34168, 55523, 111046, 200737, 222092, 401474, 444184, 802948, 1605896, 2609581, 5219162, 10438324, 20876648]

約数ペア:

[(1, 20876648), (2, 10438324), (4, 5219162), (8, 2609581), (13, 1605896), (26, 802948), (47, 444184), (52, 401474), (94, 222092), (104, 200737), (188, 111046), (376, 55523), (611, 34168), (1222, 17084), (2444, 8542), (4271, 4888)]