20043340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 24917492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 353, 668, 706, 835, 1412, 1670, 1765, 2839, 3340, 3530, 5678, 6001, 7060, 11356, 12002, 14195, 24004, 28390, 30005, 56780, 58951, 60010, 117902, 120020, 235804, 294755, 589510, 1002167, 1179020, 2004334, 4008668, 5010835, 10021670, 20043340]

約数ペア:

[(1, 20043340), (2, 10021670), (4, 5010835), (5, 4008668), (10, 2004334), (17, 1179020), (20, 1002167), (34, 589510), (68, 294755), (85, 235804), (167, 120020), (170, 117902), (334, 60010), (340, 58951), (353, 56780), (668, 30005), (706, 28390), (835, 24004), (1412, 14195), (1670, 12002), (1765, 11356), (2839, 7060), (3340, 6001), (3530, 5678)]