20133477

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 37759488

約数和(自身を除く): 17626011

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 61, 63, 91, 93, 117, 169, 183, 217, 273, 279, 403, 427, 507, 549, 651, 793, 819, 1183, 1209, 1281, 1521, 1891, 1953, 2379, 2821, 3549, 3627, 3843, 5239, 5551, 5673, 7137, 8463, 10309, 10647, 13237, 15717, 16653, 17019, 24583, 25389, 30927, 36673, 39711, 47151, 49959, 72163, 73749, 92781, 110019, 119133, 172081, 216489, 221247, 319579, 330057, 516243, 649467, 958737, 1548729, 2237053, 2876211, 6711159, 20133477]

約数ペア:

[(1, 20133477), (3, 6711159), (7, 2876211), (9, 2237053), (13, 1548729), (21, 958737), (31, 649467), (39, 516243), (61, 330057), (63, 319579), (91, 221247), (93, 216489), (117, 172081), (169, 119133), (183, 110019), (217, 92781), (273, 73749), (279, 72163), (403, 49959), (427, 47151), (507, 39711), (549, 36673), (651, 30927), (793, 25389), (819, 24583), (1183, 17019), (1209, 16653), (1281, 15717), (1521, 13237), (1891, 10647), (1953, 10309), (2379, 8463), (2821, 7137), (3549, 5673), (3627, 5551), (3843, 5239)]