20795504

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 41582160

約数和(自身を除く): 20786656

約数列:

[1, 2, 4, 8, 16, 53, 106, 137, 179, 212, 274, 358, 424, 548, 716, 848, 1096, 1432, 2192, 2864, 7261, 9487, 14522, 18974, 24523, 29044, 37948, 49046, 58088, 75896, 98092, 116176, 151792, 196184, 392368, 1299719, 2599438, 5198876, 10397752, 20795504]

約数ペア:

[(1, 20795504), (2, 10397752), (4, 5198876), (8, 2599438), (16, 1299719), (53, 392368), (106, 196184), (137, 151792), (179, 116176), (212, 98092), (274, 75896), (358, 58088), (424, 49046), (548, 37948), (716, 29044), (848, 24523), (1096, 18974), (1432, 14522), (2192, 9487), (2864, 7261)]