20852040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15797}}^1$

素因数の和:15822

約数の個数: 64

約数和(自身を含む): 68247360

約数和(自身を除く): 47395320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15797, 31594, 47391, 63188, 78985, 94782, 126376, 157970, 173767, 189564, 236955, 315940, 347534, 379128, 473910, 521301, 631880, 695068, 868835, 947820, 1042602, 1390136, 1737670, 1895640, 2085204, 2606505, 3475340, 4170408, 5213010, 6950680, 10426020, 20852040]

約数ペア:

[(1, 20852040), (2, 10426020), (3, 6950680), (4, 5213010), (5, 4170408), (6, 3475340), (8, 2606505), (10, 2085204), (11, 1895640), (12, 1737670), (15, 1390136), (20, 1042602), (22, 947820), (24, 868835), (30, 695068), (33, 631880), (40, 521301), (44, 473910), (55, 379128), (60, 347534), (66, 315940), (88, 236955), (110, 189564), (120, 173767), (132, 157970), (165, 126376), (220, 94782), (264, 78985), (330, 63188), (440, 47391), (660, 31594), (1320, 15797)]