20459466

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 53491680

約数和(自身を除く): 33032214

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 23, 27, 34, 38, 46, 51, 54, 57, 69, 81, 102, 114, 138, 153, 162, 171, 207, 289, 306, 323, 342, 391, 414, 437, 459, 513, 578, 621, 646, 782, 867, 874, 918, 969, 1026, 1173, 1242, 1311, 1377, 1539, 1734, 1863, 1938, 2346, 2601, 2622, 2754, 2907, 3078, 3519, 3726, 3933, 5202, 5491, 5814, 6647, 7038, 7429, 7803, 7866, 8721, 10557, 10982, 11799, 13294, 14858, 15606, 16473, 17442, 19941, 21114, 22287, 23409, 23598, 26163, 31671, 32946, 35397, 39882, 44574, 46818, 49419, 52326, 59823, 63342, 66861, 70794, 98838, 119646, 126293, 133722, 148257, 179469, 200583, 252586, 296514, 358938, 378879, 401166, 444771, 538407, 601749, 757758, 889542, 1076814, 1136637, 1203498, 2273274, 3409911, 6819822, 10229733, 20459466]

約数ペア:

[(1, 20459466), (2, 10229733), (3, 6819822), (6, 3409911), (9, 2273274), (17, 1203498), (18, 1136637), (19, 1076814), (23, 889542), (27, 757758), (34, 601749), (38, 538407), (46, 444771), (51, 401166), (54, 378879), (57, 358938), (69, 296514), (81, 252586), (102, 200583), (114, 179469), (138, 148257), (153, 133722), (162, 126293), (171, 119646), (207, 98838), (289, 70794), (306, 66861), (323, 63342), (342, 59823), (391, 52326), (414, 49419), (437, 46818), (459, 44574), (513, 39882), (578, 35397), (621, 32946), (646, 31671), (782, 26163), (867, 23598), (874, 23409), (918, 22287), (969, 21114), (1026, 19941), (1173, 17442), (1242, 16473), (1311, 15606), (1377, 14858), (1539, 13294), (1734, 11799), (1863, 10982), (1938, 10557), (2346, 8721), (2601, 7866), (2622, 7803), (2754, 7429), (2907, 7038), (3078, 6647), (3519, 5814), (3726, 5491), (3933, 5202)]