20176743568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{13109}}^1$

素因数の和:13280

約数の個数: 80

約数和(自身を含む): 42331665600

約数和(自身を除く): 22154922032

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 83, 122, 152, 166, 244, 304, 332, 488, 664, 976, 1159, 1328, 1577, 2318, 3154, 4636, 5063, 6308, 9272, 10126, 12616, 13109, 18544, 20252, 25232, 26218, 40504, 52436, 81008, 96197, 104872, 192394, 209744, 249071, 384788, 498142, 769576, 799649, 996284, 1088047, 1539152, 1599298, 1992568, 2176094, 3198596, 3985136, 4352188, 6397192, 8704376, 12794384, 15193331, 17408752, 20672893, 30386662, 41345786, 60773324, 66370867, 82691572, 121546648, 132741734, 165383144, 243093296, 265483468, 330766288, 530966936, 1061933872, 1261046473, 2522092946, 5044185892, 10088371784, 20176743568]

約数ペア:

[(1, 20176743568), (2, 10088371784), (4, 5044185892), (8, 2522092946), (16, 1261046473), (19, 1061933872), (38, 530966936), (61, 330766288), (76, 265483468), (83, 243093296), (122, 165383144), (152, 132741734), (166, 121546648), (244, 82691572), (304, 66370867), (332, 60773324), (488, 41345786), (664, 30386662), (976, 20672893), (1159, 17408752), (1328, 15193331), (1577, 12794384), (2318, 8704376), (3154, 6397192), (4636, 4352188), (5063, 3985136), (6308, 3198596), (9272, 2176094), (10126, 1992568), (12616, 1599298), (13109, 1539152), (18544, 1088047), (20252, 996284), (25232, 799649), (26218, 769576), (40504, 498142), (52436, 384788), (81008, 249071), (96197, 209744), (104872, 192394)]