20180683460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{6337}}^1$

素因数の和:6442

約数の個数: 144

約数和(自身を含む): 51816648576

約数和(自身を除く): 31635965116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 70, 86, 92, 115, 140, 161, 172, 215, 230, 301, 322, 430, 460, 529, 602, 644, 805, 860, 989, 1058, 1204, 1505, 1610, 1978, 2116, 2645, 3010, 3220, 3703, 3956, 4945, 5290, 6020, 6337, 6923, 7406, 9890, 10580, 12674, 13846, 14812, 18515, 19780, 22747, 25348, 27692, 31685, 34615, 37030, 44359, 45494, 63370, 69230, 74060, 88718, 90988, 113735, 126740, 138460, 145751, 159229, 177436, 221795, 227470, 272491, 291502, 318458, 443590, 454940, 544982, 583004, 636916, 728755, 796145, 887180, 1020257, 1089964, 1362455, 1457510, 1592290, 1907437, 2040514, 2724910, 2915020, 3184580, 3352273, 3814874, 4081028, 5101285, 5449820, 6267293, 6704546, 7629748, 9537185, 10202570, 12534586, 13409092, 16761365, 19074370, 20405140, 23465911, 25069172, 31336465, 33522730, 38148740, 43871051, 46931822, 62672930, 67045460, 87742102, 93863644, 117329555, 125345860, 144147739, 175484204, 219355255, 234659110, 288295478, 438710510, 469318220, 576590956, 720738695, 877421020, 1009034173, 1441477390, 2018068346, 2882954780, 4036136692, 5045170865, 10090341730, 20180683460]

約数ペア:

[(1, 20180683460), (2, 10090341730), (4, 5045170865), (5, 4036136692), (7, 2882954780), (10, 2018068346), (14, 1441477390), (20, 1009034173), (23, 877421020), (28, 720738695), (35, 576590956), (43, 469318220), (46, 438710510), (70, 288295478), (86, 234659110), (92, 219355255), (115, 175484204), (140, 144147739), (161, 125345860), (172, 117329555), (215, 93863644), (230, 87742102), (301, 67045460), (322, 62672930), (430, 46931822), (460, 43871051), (529, 38148740), (602, 33522730), (644, 31336465), (805, 25069172), (860, 23465911), (989, 20405140), (1058, 19074370), (1204, 16761365), (1505, 13409092), (1610, 12534586), (1978, 10202570), (2116, 9537185), (2645, 7629748), (3010, 6704546), (3220, 6267293), (3703, 5449820), (3956, 5101285), (4945, 4081028), (5290, 3814874), (6020, 3352273), (6337, 3184580), (6923, 2915020), (7406, 2724910), (9890, 2040514), (10580, 1907437), (12674, 1592290), (13846, 1457510), (14812, 1362455), (18515, 1089964), (19780, 1020257), (22747, 887180), (25348, 796145), (27692, 728755), (31685, 636916), (34615, 583004), (37030, 544982), (44359, 454940), (45494, 443590), (63370, 318458), (69230, 291502), (74060, 272491), (88718, 227470), (90988, 221795), (113735, 177436), (126740, 159229), (138460, 145751)]