20312568

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5323}}^1$

素因数の和:5388

約数の個数: 48

約数和(自身を含む): 56061720

約数和(自身を除く): 35749152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5323, 10646, 15969, 21292, 31938, 42584, 47907, 63876, 95814, 127752, 191628, 282119, 383256, 564238, 846357, 1128476, 1692714, 2256952, 2539071, 3385428, 5078142, 6770856, 10156284, 20312568]

約数ペア:

[(1, 20312568), (2, 10156284), (3, 6770856), (4, 5078142), (6, 3385428), (8, 2539071), (9, 2256952), (12, 1692714), (18, 1128476), (24, 846357), (36, 564238), (53, 383256), (72, 282119), (106, 191628), (159, 127752), (212, 95814), (318, 63876), (424, 47907), (477, 42584), (636, 31938), (954, 21292), (1272, 15969), (1908, 10646), (3816, 5323)]