9920204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 21638400

約数和(自身を除く): 11718196

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 643, 812, 1102, 1286, 2204, 2572, 3857, 4501, 7714, 9002, 12217, 15428, 18004, 18647, 24434, 37294, 48868, 74588, 85519, 130529, 171038, 261058, 342076, 354293, 522116, 708586, 1417172, 2480051, 4960102, 9920204]

約数ペア:

[(1, 9920204), (2, 4960102), (4, 2480051), (7, 1417172), (14, 708586), (19, 522116), (28, 354293), (29, 342076), (38, 261058), (58, 171038), (76, 130529), (116, 85519), (133, 74588), (203, 48868), (266, 37294), (406, 24434), (532, 18647), (551, 18004), (643, 15428), (812, 12217), (1102, 9002), (1286, 7714), (2204, 4501), (2572, 3857)]