20954560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5953}}^1$

素因数の和:5981

約数の個数: 56

約数和(自身を含む): 54443376

約数和(自身を除く): 33488816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5953, 11906, 23812, 29765, 47624, 59530, 65483, 95248, 119060, 130966, 190496, 238120, 261932, 327415, 380992, 476240, 523864, 654830, 952480, 1047728, 1309660, 1904960, 2095456, 2619320, 4190912, 5238640, 10477280, 20954560]

約数ペア:

[(1, 20954560), (2, 10477280), (4, 5238640), (5, 4190912), (8, 2619320), (10, 2095456), (11, 1904960), (16, 1309660), (20, 1047728), (22, 952480), (32, 654830), (40, 523864), (44, 476240), (55, 380992), (64, 327415), (80, 261932), (88, 238120), (110, 190496), (160, 130966), (176, 119060), (220, 95248), (320, 65483), (352, 59530), (440, 47624), (704, 29765), (880, 23812), (1760, 11906), (3520, 5953)]