20575256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5347}}^1$

素因数の和:5403

約数の個数: 32

約数和(自身を含む): 42677040

約数和(自身を除く): 22101784

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5347, 10694, 21388, 42776, 69511, 139022, 197839, 278044, 395678, 556088, 791356, 1582712, 2571907, 5143814, 10287628, 20575256]

約数ペア:

[(1, 20575256), (2, 10287628), (4, 5143814), (8, 2571907), (13, 1582712), (26, 791356), (37, 556088), (52, 395678), (74, 278044), (104, 197839), (148, 139022), (296, 69511), (481, 42776), (962, 21388), (1924, 10694), (3848, 5347)]