20692098

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 80

約数和(自身を含む): 53944704

約数和(自身を除く): 33252606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 257, 378, 426, 497, 514, 567, 639, 771, 994, 1134, 1278, 1491, 1542, 1799, 1917, 2313, 2982, 3598, 3834, 4473, 4626, 5397, 5751, 6939, 8946, 10794, 11502, 13419, 13878, 16191, 18247, 20817, 26838, 32382, 36494, 40257, 41634, 48573, 54741, 80514, 97146, 109482, 127729, 145719, 164223, 255458, 291438, 328446, 383187, 492669, 766374, 985338, 1149561, 1478007, 2299122, 2956014, 3448683, 6897366, 10346049, 20692098]

約数ペア:

[(1, 20692098), (2, 10346049), (3, 6897366), (6, 3448683), (7, 2956014), (9, 2299122), (14, 1478007), (18, 1149561), (21, 985338), (27, 766374), (42, 492669), (54, 383187), (63, 328446), (71, 291438), (81, 255458), (126, 164223), (142, 145719), (162, 127729), (189, 109482), (213, 97146), (257, 80514), (378, 54741), (426, 48573), (497, 41634), (514, 40257), (567, 36494), (639, 32382), (771, 26838), (994, 20817), (1134, 18247), (1278, 16191), (1491, 13878), (1542, 13419), (1799, 11502), (1917, 10794), (2313, 8946), (2982, 6939), (3598, 5751), (3834, 5397), (4473, 4626)]