20673368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3163}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 41764800

約数和(自身を除く): 21091432

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3163, 3268, 6326, 6536, 12652, 25304, 60097, 120194, 136009, 240388, 272018, 480776, 544036, 1088072, 2584171, 5168342, 10336684, 20673368]

約数ペア:

[(1, 20673368), (2, 10336684), (4, 5168342), (8, 2584171), (19, 1088072), (38, 544036), (43, 480776), (76, 272018), (86, 240388), (152, 136009), (172, 120194), (344, 60097), (817, 25304), (1634, 12652), (3163, 6536), (3268, 6326)]