20981632

素因数分解:

$2^7\times 7^1\times {\mathrm{23417}}^1$

素因数の和:23438

約数の個数: 32

約数和(自身を含む): 47772720

約数和(自身を除く): 26791088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23417, 46834, 93668, 163919, 187336, 327838, 374672, 655676, 749344, 1311352, 1498688, 2622704, 2997376, 5245408, 10490816, 20981632]

約数ペア:

[(1, 20981632), (2, 10490816), (4, 5245408), (7, 2997376), (8, 2622704), (14, 1498688), (16, 1311352), (28, 749344), (32, 655676), (56, 374672), (64, 327838), (112, 187336), (128, 163919), (224, 93668), (448, 46834), (896, 23417)]