20357504

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 41034600

約数和(自身を除く): 20677096

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 1787, 2848, 3574, 5696, 7148, 11392, 14296, 28592, 57184, 114368, 159043, 228736, 318086, 636172, 1272344, 2544688, 5089376, 10178752, 20357504]

約数ペア:

[(1, 20357504), (2, 10178752), (4, 5089376), (8, 2544688), (16, 1272344), (32, 636172), (64, 318086), (89, 228736), (128, 159043), (178, 114368), (356, 57184), (712, 28592), (1424, 14296), (1787, 11392), (2848, 7148), (3574, 5696)]