20270959978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{54559}}^1$

素因数の和:54822

約数の個数: 32

約数和(自身を含む): 32667909120

約数和(自身を除く): 12396949142

約数列:

[1, 2, 23, 41, 46, 82, 197, 394, 943, 1886, 4531, 8077, 9062, 16154, 54559, 109118, 185771, 371542, 1254857, 2236919, 2509714, 4473838, 10748123, 21496246, 51449137, 102898274, 247206829, 440673043, 494413658, 881346086, 10135479989, 20270959978]

約数ペア:

[(1, 20270959978), (2, 10135479989), (23, 881346086), (41, 494413658), (46, 440673043), (82, 247206829), (197, 102898274), (394, 51449137), (943, 21496246), (1886, 10748123), (4531, 4473838), (8077, 2509714), (9062, 2236919), (16154, 1254857), (54559, 371542), (109118, 185771)]