20657826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8629}}^1$

素因数の和:8663

約数の個数: 48

約数和(自身を含む): 53851200

約数和(自身を除く): 33193374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8629, 17258, 25887, 51774, 60403, 77661, 120806, 155322, 163951, 181209, 327902, 362418, 491853, 543627, 983706, 1087254, 1147657, 1475559, 2295314, 2951118, 3442971, 6885942, 10328913, 20657826]

約数ペア:

[(1, 20657826), (2, 10328913), (3, 6885942), (6, 3442971), (7, 2951118), (9, 2295314), (14, 1475559), (18, 1147657), (19, 1087254), (21, 983706), (38, 543627), (42, 491853), (57, 362418), (63, 327902), (114, 181209), (126, 163951), (133, 155322), (171, 120806), (266, 77661), (342, 60403), (399, 51774), (798, 25887), (1197, 17258), (2394, 8629)]