20409869936

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{150907}}^1$

素因数の和:151101

約数の個数: 40

約数和(自身を含む): 40419198720

約数和(自身を除く): 20009328784

約数列:

[1, 2, 4, 8, 16, 79, 107, 158, 214, 316, 428, 632, 856, 1264, 1712, 8453, 16906, 33812, 67624, 135248, 150907, 301814, 603628, 1207256, 2414512, 11921653, 16147049, 23843306, 32294098, 47686612, 64588196, 95373224, 129176392, 190746448, 258352784, 1275616871, 2551233742, 5102467484, 10204934968, 20409869936]

約数ペア:

[(1, 20409869936), (2, 10204934968), (4, 5102467484), (8, 2551233742), (16, 1275616871), (79, 258352784), (107, 190746448), (158, 129176392), (214, 95373224), (316, 64588196), (428, 47686612), (632, 32294098), (856, 23843306), (1264, 16147049), (1712, 11921653), (8453, 2414512), (16906, 1207256), (33812, 603628), (67624, 301814), (135248, 150907)]