20674836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6311}}^1$

素因数の和:6341

約数の個数: 72

約数和(自身を含む): 64331904

約数和(自身を除く): 43657068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6311, 12622, 18933, 25244, 37866, 44177, 56799, 75732, 82043, 88354, 113598, 132531, 164086, 176708, 227196, 246129, 265062, 328172, 397593, 492258, 530124, 574301, 738387, 795186, 984516, 1148602, 1476774, 1590372, 1722903, 2297204, 2953548, 3445806, 5168709, 6891612, 10337418, 20674836]

約数ペア:

[(1, 20674836), (2, 10337418), (3, 6891612), (4, 5168709), (6, 3445806), (7, 2953548), (9, 2297204), (12, 1722903), (13, 1590372), (14, 1476774), (18, 1148602), (21, 984516), (26, 795186), (28, 738387), (36, 574301), (39, 530124), (42, 492258), (52, 397593), (63, 328172), (78, 265062), (84, 246129), (91, 227196), (117, 176708), (126, 164086), (156, 132531), (182, 113598), (234, 88354), (252, 82043), (273, 75732), (364, 56799), (468, 44177), (546, 37866), (819, 25244), (1092, 18933), (1638, 12622), (3276, 6311)]