20180871370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1801}}^1$

素因数の和:1988

約数の個数: 128

約数和(自身を含む): 42747015168

約数和(自身を除く): 22566143798

約数列:

[1, 2, 5, 10, 11, 22, 23, 43, 46, 55, 86, 103, 110, 115, 206, 215, 230, 253, 430, 473, 506, 515, 946, 989, 1030, 1133, 1265, 1801, 1978, 2266, 2365, 2369, 2530, 3602, 4429, 4730, 4738, 4945, 5665, 8858, 9005, 9890, 10879, 11330, 11845, 18010, 19811, 21758, 22145, 23690, 26059, 39622, 41423, 44290, 48719, 52118, 54395, 77443, 82846, 97438, 99055, 101867, 108790, 130295, 154886, 185503, 198110, 203734, 207115, 243595, 260590, 371006, 387215, 414230, 455653, 487190, 509335, 774430, 851873, 911306, 927515, 1018670, 1120537, 1703746, 1781189, 1855030, 2040533, 2241074, 2278265, 3562378, 4081066, 4259365, 4266569, 4556530, 5602685, 7976629, 8518730, 8533138, 8905945, 10202665, 11205370, 15953258, 17811890, 19593079, 20405330, 21332845, 39186158, 39883145, 42665690, 46932259, 79766290, 87742919, 93864518, 97965395, 175485838, 183462467, 195930790, 234661295, 366924934, 438714595, 469322590, 877429190, 917312335, 1834624670, 2018087137, 4036174274, 10090435685, 20180871370]

約数ペア:

[(1, 20180871370), (2, 10090435685), (5, 4036174274), (10, 2018087137), (11, 1834624670), (22, 917312335), (23, 877429190), (43, 469322590), (46, 438714595), (55, 366924934), (86, 234661295), (103, 195930790), (110, 183462467), (115, 175485838), (206, 97965395), (215, 93864518), (230, 87742919), (253, 79766290), (430, 46932259), (473, 42665690), (506, 39883145), (515, 39186158), (946, 21332845), (989, 20405330), (1030, 19593079), (1133, 17811890), (1265, 15953258), (1801, 11205370), (1978, 10202665), (2266, 8905945), (2365, 8533138), (2369, 8518730), (2530, 7976629), (3602, 5602685), (4429, 4556530), (4730, 4266569), (4738, 4259365), (4945, 4081066), (5665, 3562378), (8858, 2278265), (9005, 2241074), (9890, 2040533), (10879, 1855030), (11330, 1781189), (11845, 1703746), (18010, 1120537), (19811, 1018670), (21758, 927515), (22145, 911306), (23690, 851873), (26059, 774430), (39622, 509335), (41423, 487190), (44290, 455653), (48719, 414230), (52118, 387215), (54395, 371006), (77443, 260590), (82846, 243595), (97438, 207115), (99055, 203734), (101867, 198110), (108790, 185503), (130295, 154886)]