20163888

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4517}}^1$

素因数の和:4562

約数の個数: 60

約数和(自身を含む): 58264128

約数和(自身を除く): 38100240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4517, 9034, 13551, 18068, 27102, 36136, 40653, 54204, 72272, 81306, 108408, 140027, 162612, 216816, 280054, 325224, 420081, 560108, 650448, 840162, 1120216, 1260243, 1680324, 2240432, 2520486, 3360648, 5040972, 6721296, 10081944, 20163888]

約数ペア:

[(1, 20163888), (2, 10081944), (3, 6721296), (4, 5040972), (6, 3360648), (8, 2520486), (9, 2240432), (12, 1680324), (16, 1260243), (18, 1120216), (24, 840162), (31, 650448), (36, 560108), (48, 420081), (62, 325224), (72, 280054), (93, 216816), (124, 162612), (144, 140027), (186, 108408), (248, 81306), (279, 72272), (372, 54204), (496, 40653), (558, 36136), (744, 27102), (1116, 18068), (1488, 13551), (2232, 9034), (4464, 4517)]