20337944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{967}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 21479656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 967, 1912, 1934, 2629, 3868, 5258, 7736, 10516, 10637, 21032, 21274, 42548, 85096, 231113, 462226, 924452, 1848904, 2542243, 5084486, 10168972, 20337944]

約数ペア:

[(1, 20337944), (2, 10168972), (4, 5084486), (8, 2542243), (11, 1848904), (22, 924452), (44, 462226), (88, 231113), (239, 85096), (478, 42548), (956, 21274), (967, 21032), (1912, 10637), (1934, 10516), (2629, 7736), (3868, 5258)]