20187060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 56910336

約数和(自身を除く): 36723276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2143, 2355, 3140, 4286, 4710, 6429, 8572, 9420, 10715, 12858, 21430, 25716, 32145, 42860, 64290, 128580, 336451, 672902, 1009353, 1345804, 1682255, 2018706, 3364510, 4037412, 5046765, 6729020, 10093530, 20187060]

約数ペア:

[(1, 20187060), (2, 10093530), (3, 6729020), (4, 5046765), (5, 4037412), (6, 3364510), (10, 2018706), (12, 1682255), (15, 1345804), (20, 1009353), (30, 672902), (60, 336451), (157, 128580), (314, 64290), (471, 42860), (628, 32145), (785, 25716), (942, 21430), (1570, 12858), (1884, 10715), (2143, 9420), (2355, 8572), (3140, 6429), (4286, 4710)]