20277800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 48060540

約数和(自身を除く): 27782740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1913, 2120, 2650, 3826, 5300, 7652, 9565, 10600, 15304, 19130, 38260, 47825, 76520, 95650, 101389, 191300, 202778, 382600, 405556, 506945, 811112, 1013890, 2027780, 2534725, 4055560, 5069450, 10138900, 20277800]

約数ペア:

[(1, 20277800), (2, 10138900), (4, 5069450), (5, 4055560), (8, 2534725), (10, 2027780), (20, 1013890), (25, 811112), (40, 506945), (50, 405556), (53, 382600), (100, 202778), (106, 191300), (200, 101389), (212, 95650), (265, 76520), (424, 47825), (530, 38260), (1060, 19130), (1325, 15304), (1913, 10600), (2120, 9565), (2650, 7652), (3826, 5300)]