20449484

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 41319936

約数和(自身を除く): 20870452

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 167, 242, 253, 334, 484, 506, 668, 1012, 1331, 1837, 2662, 2783, 3674, 3841, 5324, 5566, 7348, 7682, 11132, 15364, 20207, 30613, 40414, 42251, 61226, 80828, 84502, 122452, 169004, 222277, 444554, 464761, 889108, 929522, 1859044, 5112371, 10224742, 20449484]

約数ペア:

[(1, 20449484), (2, 10224742), (4, 5112371), (11, 1859044), (22, 929522), (23, 889108), (44, 464761), (46, 444554), (92, 222277), (121, 169004), (167, 122452), (242, 84502), (253, 80828), (334, 61226), (484, 42251), (506, 40414), (668, 30613), (1012, 20207), (1331, 15364), (1837, 11132), (2662, 7682), (2783, 7348), (3674, 5566), (3841, 5324)]