20905764

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1453}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 53739840

約数和(自身を除く): 32834076

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 132, 218, 327, 436, 654, 1199, 1308, 1453, 2398, 2906, 3597, 4359, 4796, 5812, 7194, 8718, 14388, 15983, 17436, 31966, 47949, 63932, 95898, 158377, 191796, 316754, 475131, 633508, 950262, 1742147, 1900524, 3484294, 5226441, 6968588, 10452882, 20905764]

約数ペア:

[(1, 20905764), (2, 10452882), (3, 6968588), (4, 5226441), (6, 3484294), (11, 1900524), (12, 1742147), (22, 950262), (33, 633508), (44, 475131), (66, 316754), (109, 191796), (132, 158377), (218, 95898), (327, 63932), (436, 47949), (654, 31966), (1199, 17436), (1308, 15983), (1453, 14388), (2398, 8718), (2906, 7194), (3597, 5812), (4359, 4796)]