20763652

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 47257560

約数和(自身を除く): 26493908

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 281, 364, 377, 406, 562, 637, 754, 812, 1124, 1274, 1421, 1508, 1967, 2548, 2639, 2842, 3653, 3934, 5278, 5684, 7306, 7868, 8149, 10556, 13769, 14612, 16298, 18473, 25571, 27538, 32596, 36946, 51142, 55076, 57043, 73892, 102284, 105937, 114086, 178997, 211874, 228172, 357994, 399301, 423748, 715988, 741559, 798602, 1483118, 1597204, 2966236, 5190913, 10381826, 20763652]

約数ペア:

[(1, 20763652), (2, 10381826), (4, 5190913), (7, 2966236), (13, 1597204), (14, 1483118), (26, 798602), (28, 741559), (29, 715988), (49, 423748), (52, 399301), (58, 357994), (91, 228172), (98, 211874), (116, 178997), (182, 114086), (196, 105937), (203, 102284), (281, 73892), (364, 57043), (377, 55076), (406, 51142), (562, 36946), (637, 32596), (754, 27538), (812, 25571), (1124, 18473), (1274, 16298), (1421, 14612), (1508, 13769), (1967, 10556), (2548, 8149), (2639, 7868), (2842, 7306), (3653, 5684), (3934, 5278)]