20686554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8641}}^1$

素因数の和:8675

約数の個数: 48

約数和(自身を含む): 53926080

約数和(自身を除く): 33239526

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, 8641, 17282, 25923, 51846, 60487, 77769, 120974, 155538, 164179, 181461, 328358, 362922, 492537, 544383, 985074, 1088766, 1149253, 1477611, 2298506, 2955222, 3447759, 6895518, 10343277, 20686554]

約数ペア:

[(1, 20686554), (2, 10343277), (3, 6895518), (6, 3447759), (7, 2955222), (9, 2298506), (14, 1477611), (18, 1149253), (19, 1088766), (21, 985074), (38, 544383), (42, 492537), (57, 362922), (63, 328358), (114, 181461), (126, 164179), (133, 155538), (171, 120974), (266, 77769), (342, 60487), (399, 51846), (798, 25923), (1197, 17282), (2394, 8641)]