20847488

素因数分解:

$2^7\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 41754720

約数和(自身を除く): 20907232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 271, 542, 601, 1084, 1202, 2168, 2404, 4336, 4808, 8672, 9616, 17344, 19232, 34688, 38464, 76928, 162871, 325742, 651484, 1302968, 2605936, 5211872, 10423744, 20847488]

約数ペア:

[(1, 20847488), (2, 10423744), (4, 5211872), (8, 2605936), (16, 1302968), (32, 651484), (64, 325742), (128, 162871), (271, 76928), (542, 38464), (601, 34688), (1084, 19232), (1202, 17344), (2168, 9616), (2404, 8672), (4336, 4808)]