20739222

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8663}}^1$

素因数の和:8697

約数の個数: 48

約数和(自身を含む): 54063360

約数和(自身を除く): 33324138

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, 8663, 17326, 25989, 51978, 60641, 77967, 121282, 155934, 164597, 181923, 329194, 363846, 493791, 545769, 987582, 1091538, 1152179, 1481373, 2304358, 2962746, 3456537, 6913074, 10369611, 20739222]

約数ペア:

[(1, 20739222), (2, 10369611), (3, 6913074), (6, 3456537), (7, 2962746), (9, 2304358), (14, 1481373), (18, 1152179), (19, 1091538), (21, 987582), (38, 545769), (42, 493791), (57, 363846), (63, 329194), (114, 181923), (126, 164597), (133, 155934), (171, 121282), (266, 77967), (342, 60641), (399, 51978), (798, 25989), (1197, 17326), (2394, 8663)]