20199368

素因数分解:

$2^3\times 7^2\times {\mathrm{227}}^2$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 44252235

約数和(自身を除く): 24052867

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 227, 392, 454, 908, 1589, 1816, 3178, 6356, 11123, 12712, 22246, 44492, 51529, 88984, 103058, 206116, 360703, 412232, 721406, 1442812, 2524921, 2885624, 5049842, 10099684, 20199368]

約数ペア:

[(1, 20199368), (2, 10099684), (4, 5049842), (7, 2885624), (8, 2524921), (14, 1442812), (28, 721406), (49, 412232), (56, 360703), (98, 206116), (196, 103058), (227, 88984), (392, 51529), (454, 44492), (908, 22246), (1589, 12712), (1816, 11123), (3178, 6356)]