20153555648

素因数分解:

$2^6\times {\mathrm{1123}}^1\times {\mathrm{280409}}^1$

素因数の和:281544

約数の個数: 28

約数和(自身を含む): 40027966680

約数和(自身を除く): 19874411032

約数列:

[1, 2, 4, 8, 16, 32, 64, 1123, 2246, 4492, 8984, 17968, 35936, 71872, 280409, 560818, 1121636, 2243272, 4486544, 8973088, 17946176, 314899307, 629798614, 1259597228, 2519194456, 5038388912, 10076777824, 20153555648]

約数ペア:

[(1, 20153555648), (2, 10076777824), (4, 5038388912), (8, 2519194456), (16, 1259597228), (32, 629798614), (64, 314899307), (1123, 17946176), (2246, 8973088), (4492, 4486544), (8984, 2243272), (17968, 1121636), (35936, 560818), (71872, 280409)]