20176746496

素因数分解:

$2^{11}\times {\mathrm{61}}^1\times {\mathrm{161507}}^1$

素因数の和:161590

約数の個数: 48

約数和(自身を含む): 41005266120

約数和(自身を除く): 20828519624

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 976, 1024, 1952, 2048, 3904, 7808, 15616, 31232, 62464, 124928, 161507, 323014, 646028, 1292056, 2584112, 5168224, 9851927, 10336448, 19703854, 20672896, 39407708, 41345792, 78815416, 82691584, 157630832, 165383168, 315261664, 330766336, 630523328, 1261046656, 2522093312, 5044186624, 10088373248, 20176746496]

約数ペア:

[(1, 20176746496), (2, 10088373248), (4, 5044186624), (8, 2522093312), (16, 1261046656), (32, 630523328), (61, 330766336), (64, 315261664), (122, 165383168), (128, 157630832), (244, 82691584), (256, 78815416), (488, 41345792), (512, 39407708), (976, 20672896), (1024, 19703854), (1952, 10336448), (2048, 9851927), (3904, 5168224), (7808, 2584112), (15616, 1292056), (31232, 646028), (62464, 323014), (124928, 161507)]