20128408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 41438520

約数和(自身を除く): 21310112

約数列:

[1, 2, 4, 8, 17, 34, 47, 67, 68, 94, 134, 136, 188, 268, 376, 536, 799, 1139, 1598, 2209, 2278, 3149, 3196, 4418, 4556, 6298, 6392, 8836, 9112, 12596, 17672, 25192, 37553, 53533, 75106, 107066, 148003, 150212, 214132, 296006, 300424, 428264, 592012, 1184024, 2516051, 5032102, 10064204, 20128408]

約数ペア:

[(1, 20128408), (2, 10064204), (4, 5032102), (8, 2516051), (17, 1184024), (34, 592012), (47, 428264), (67, 300424), (68, 296006), (94, 214132), (134, 150212), (136, 148003), (188, 107066), (268, 75106), (376, 53533), (536, 37553), (799, 25192), (1139, 17672), (1598, 12596), (2209, 9112), (2278, 8836), (3149, 6392), (3196, 6298), (4418, 4556)]