20885808

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4889}}^1$

素因数の和:4989

約数の個数: 40

約数和(自身を含む): 54572400

約数和(自身を除く): 33686592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4889, 9778, 14667, 19556, 29334, 39112, 58668, 78224, 117336, 234672, 435121, 870242, 1305363, 1740484, 2610726, 3480968, 5221452, 6961936, 10442904, 20885808]

約数ペア:

[(1, 20885808), (2, 10442904), (3, 6961936), (4, 5221452), (6, 3480968), (8, 2610726), (12, 1740484), (16, 1305363), (24, 870242), (48, 435121), (89, 234672), (178, 117336), (267, 78224), (356, 58668), (534, 39112), (712, 29334), (1068, 19556), (1424, 14667), (2136, 9778), (4272, 4889)]