20180887930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{55219}}^1$

素因数の和:55483

約数の個数: 64

約数和(自身を含む): 43511592960

約数和(自身を除く): 23330705030

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 227, 230, 322, 454, 805, 1135, 1589, 1610, 2270, 3178, 5221, 7945, 10442, 15890, 26105, 36547, 52210, 55219, 73094, 110438, 182735, 276095, 365470, 386533, 552190, 773066, 1270037, 1932665, 2540074, 3865330, 6350185, 8890259, 12534713, 12700370, 17780518, 25069426, 44451295, 62673565, 87742991, 88902590, 125347130, 175485982, 288298399, 438714955, 576596798, 877429910, 1441491995, 2018088793, 2882983990, 4036177586, 10090443965, 20180887930]

約数ペア:

[(1, 20180887930), (2, 10090443965), (5, 4036177586), (7, 2882983990), (10, 2018088793), (14, 1441491995), (23, 877429910), (35, 576596798), (46, 438714955), (70, 288298399), (115, 175485982), (161, 125347130), (227, 88902590), (230, 87742991), (322, 62673565), (454, 44451295), (805, 25069426), (1135, 17780518), (1589, 12700370), (1610, 12534713), (2270, 8890259), (3178, 6350185), (5221, 3865330), (7945, 2540074), (10442, 1932665), (15890, 1270037), (26105, 773066), (36547, 552190), (52210, 386533), (55219, 365470), (73094, 276095), (110438, 182735)]