20165510168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{82051}}^1$

素因数の和:83079

約数の個数: 32

約数和(自身を含む): 39069880320

約数和(自身を除く): 18904370152

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 991, 1982, 3964, 7928, 30721, 61442, 82051, 122884, 164102, 245768, 328204, 656408, 2543581, 5087162, 10174324, 20348648, 81312541, 162625082, 325250164, 650500328, 2520688771, 5041377542, 10082755084, 20165510168]

約数ペア:

[(1, 20165510168), (2, 10082755084), (4, 5041377542), (8, 2520688771), (31, 650500328), (62, 325250164), (124, 162625082), (248, 81312541), (991, 20348648), (1982, 10174324), (3964, 5087162), (7928, 2543581), (30721, 656408), (61442, 328204), (82051, 245768), (122884, 164102)]