20173940826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{347}}^1\times {\mathrm{1409}}^1$

素因数の和:1820

約数の個数: 96

約数和(自身を含む): 45586134720

約数和(自身を除く): 25412193894

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 347, 529, 598, 694, 897, 1041, 1058, 1409, 1587, 1794, 2082, 2818, 3174, 4227, 4511, 6877, 7981, 8454, 9022, 13533, 13754, 15962, 18317, 20631, 23943, 27066, 32407, 36634, 41262, 47886, 54951, 64814, 97221, 103753, 109902, 183563, 194442, 207506, 311259, 367126, 421291, 488923, 550689, 622518, 745361, 842582, 977846, 1101378, 1263873, 1466769, 1490722, 2236083, 2386319, 2527746, 2933538, 4472166, 4772638, 6355999, 7158957, 9689693, 11245229, 12711998, 14317914, 19067997, 19379386, 22490458, 29069079, 33735687, 38135994, 58138158, 67471374, 146187977, 258640267, 292375954, 438563931, 517280534, 775920801, 877127862, 1551841602, 3362323471, 6724646942, 10086970413, 20173940826]

約数ペア:

[(1, 20173940826), (2, 10086970413), (3, 6724646942), (6, 3362323471), (13, 1551841602), (23, 877127862), (26, 775920801), (39, 517280534), (46, 438563931), (69, 292375954), (78, 258640267), (138, 146187977), (299, 67471374), (347, 58138158), (529, 38135994), (598, 33735687), (694, 29069079), (897, 22490458), (1041, 19379386), (1058, 19067997), (1409, 14317914), (1587, 12711998), (1794, 11245229), (2082, 9689693), (2818, 7158957), (3174, 6355999), (4227, 4772638), (4511, 4472166), (6877, 2933538), (7981, 2527746), (8454, 2386319), (9022, 2236083), (13533, 1490722), (13754, 1466769), (15962, 1263873), (18317, 1101378), (20631, 977846), (23943, 842582), (27066, 745361), (32407, 622518), (36634, 550689), (41262, 488923), (47886, 421291), (54951, 367126), (64814, 311259), (97221, 207506), (103753, 194442), (109902, 183563)]