20446976

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 45695664

約数和(自身を除く): 25248688

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 128, 137, 176, 212, 256, 274, 352, 424, 548, 583, 704, 848, 1096, 1166, 1408, 1507, 1696, 2192, 2332, 2816, 3014, 3392, 4384, 4664, 6028, 6784, 7261, 8768, 9328, 12056, 13568, 14522, 17536, 18656, 24112, 29044, 35072, 37312, 48224, 58088, 74624, 79871, 96448, 116176, 149248, 159742, 192896, 232352, 319484, 385792, 464704, 638968, 929408, 1277936, 1858816, 2555872, 5111744, 10223488, 20446976]

約数ペア:

[(1, 20446976), (2, 10223488), (4, 5111744), (8, 2555872), (11, 1858816), (16, 1277936), (22, 929408), (32, 638968), (44, 464704), (53, 385792), (64, 319484), (88, 232352), (106, 192896), (128, 159742), (137, 149248), (176, 116176), (212, 96448), (256, 79871), (274, 74624), (352, 58088), (424, 48224), (548, 37312), (583, 35072), (704, 29044), (848, 24112), (1096, 18656), (1166, 17536), (1408, 14522), (1507, 13568), (1696, 12056), (2192, 9328), (2332, 8768), (2816, 7261), (3014, 6784), (3392, 6028), (4384, 4664)]