20581770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 55074816

約数和(自身を除く): 34493046

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 141, 165, 235, 282, 330, 470, 517, 705, 1034, 1327, 1410, 1551, 2585, 2654, 3102, 3981, 5170, 6635, 7755, 7962, 13270, 14597, 15510, 19905, 29194, 39810, 43791, 62369, 72985, 87582, 124738, 145970, 187107, 218955, 311845, 374214, 437910, 623690, 686059, 935535, 1372118, 1871070, 2058177, 3430295, 4116354, 6860590, 10290885, 20581770]

約数ペア:

[(1, 20581770), (2, 10290885), (3, 6860590), (5, 4116354), (6, 3430295), (10, 2058177), (11, 1871070), (15, 1372118), (22, 935535), (30, 686059), (33, 623690), (47, 437910), (55, 374214), (66, 311845), (94, 218955), (110, 187107), (141, 145970), (165, 124738), (235, 87582), (282, 72985), (330, 62369), (470, 43791), (517, 39810), (705, 29194), (1034, 19905), (1327, 15510), (1410, 14597), (1551, 13270), (2585, 7962), (2654, 7755), (3102, 6635), (3981, 5170)]