20372142

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 50112000

約数和(自身を除く): 29739858

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 521, 686, 798, 931, 1029, 1042, 1563, 1862, 2058, 2793, 3126, 3647, 5586, 6517, 7294, 9899, 10941, 13034, 19551, 19798, 21882, 25529, 29697, 39102, 51058, 59394, 69293, 76587, 138586, 153174, 178703, 207879, 357406, 415758, 485051, 536109, 970102, 1072218, 1455153, 2910306, 3395357, 6790714, 10186071, 20372142]

約数ペア:

[(1, 20372142), (2, 10186071), (3, 6790714), (6, 3395357), (7, 2910306), (14, 1455153), (19, 1072218), (21, 970102), (38, 536109), (42, 485051), (49, 415758), (57, 357406), (98, 207879), (114, 178703), (133, 153174), (147, 138586), (266, 76587), (294, 69293), (343, 59394), (399, 51058), (521, 39102), (686, 29697), (798, 25529), (931, 21882), (1029, 19798), (1042, 19551), (1563, 13034), (1862, 10941), (2058, 9899), (2793, 7294), (3126, 6517), (3647, 5586)]