20219648

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4157}}^1$

素因数の和:4192

約数の個数: 36

約数和(自身を含む): 42494760

約数和(自身を除く): 22275112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4157, 4864, 8314, 16628, 33256, 66512, 78983, 133024, 157966, 266048, 315932, 532096, 631864, 1064192, 1263728, 2527456, 5054912, 10109824, 20219648]

約数ペア:

[(1, 20219648), (2, 10109824), (4, 5054912), (8, 2527456), (16, 1263728), (19, 1064192), (32, 631864), (38, 532096), (64, 315932), (76, 266048), (128, 157966), (152, 133024), (256, 78983), (304, 66512), (608, 33256), (1216, 16628), (2432, 8314), (4157, 4864)]