20615287212

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{26267}}^1$

素因数の和:26349

約数の個数: 144

約数和(自身を含む): 59222782080

約数和(自身を除く): 38607494868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 43, 52, 54, 78, 86, 108, 117, 129, 156, 169, 172, 234, 258, 338, 351, 387, 468, 507, 516, 559, 676, 702, 774, 1014, 1118, 1161, 1404, 1521, 1548, 1677, 2028, 2236, 2322, 3042, 3354, 4563, 4644, 5031, 6084, 6708, 7267, 9126, 10062, 14534, 15093, 18252, 20124, 21801, 26267, 29068, 30186, 43602, 52534, 60372, 65403, 78801, 87204, 105068, 130806, 157602, 196209, 236403, 261612, 315204, 341471, 392418, 472806, 682942, 709209, 784836, 945612, 1024413, 1129481, 1365884, 1418418, 2048826, 2258962, 2836836, 3073239, 3388443, 4097652, 4439123, 4517924, 6146478, 6776886, 8878246, 9219717, 10165329, 12292956, 13317369, 13553772, 14683253, 17756492, 18439434, 20330658, 26634738, 29366506, 30495987, 36878868, 39952107, 40661316, 44049759, 53269476, 58733012, 60991974, 79904214, 88099518, 119856321, 121983948, 132149277, 159808428, 176199036, 190882289, 239712642, 264298554, 381764578, 396447831, 479425284, 528597108, 572646867, 763529156, 792895662, 1145293734, 1585791324, 1717940601, 2290587468, 3435881202, 5153821803, 6871762404, 10307643606, 20615287212]

約数ペア:

[(1, 20615287212), (2, 10307643606), (3, 6871762404), (4, 5153821803), (6, 3435881202), (9, 2290587468), (12, 1717940601), (13, 1585791324), (18, 1145293734), (26, 792895662), (27, 763529156), (36, 572646867), (39, 528597108), (43, 479425284), (52, 396447831), (54, 381764578), (78, 264298554), (86, 239712642), (108, 190882289), (117, 176199036), (129, 159808428), (156, 132149277), (169, 121983948), (172, 119856321), (234, 88099518), (258, 79904214), (338, 60991974), (351, 58733012), (387, 53269476), (468, 44049759), (507, 40661316), (516, 39952107), (559, 36878868), (676, 30495987), (702, 29366506), (774, 26634738), (1014, 20330658), (1118, 18439434), (1161, 17756492), (1404, 14683253), (1521, 13553772), (1548, 13317369), (1677, 12292956), (2028, 10165329), (2236, 9219717), (2322, 8878246), (3042, 6776886), (3354, 6146478), (4563, 4517924), (4644, 4439123), (5031, 4097652), (6084, 3388443), (6708, 3073239), (7267, 2836836), (9126, 2258962), (10062, 2048826), (14534, 1418418), (15093, 1365884), (18252, 1129481), (20124, 1024413), (21801, 945612), (26267, 784836), (29068, 709209), (30186, 682942), (43602, 472806), (52534, 392418), (60372, 341471), (65403, 315204), (78801, 261612), (87204, 236403), (105068, 196209), (130806, 157602)]