20458053

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 37604736

約数和(自身を除く): 17146683

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 477, 557, 583, 693, 1113, 1671, 1749, 3339, 3899, 4081, 5013, 5247, 6127, 11697, 12243, 18381, 29521, 35091, 36729, 42889, 55143, 88563, 128667, 206647, 265689, 324731, 386001, 619941, 974193, 1859823, 2273117, 2922579, 6819351, 20458053]

約数ペア:

[(1, 20458053), (3, 6819351), (7, 2922579), (9, 2273117), (11, 1859823), (21, 974193), (33, 619941), (53, 386001), (63, 324731), (77, 265689), (99, 206647), (159, 128667), (231, 88563), (371, 55143), (477, 42889), (557, 36729), (583, 35091), (693, 29521), (1113, 18381), (1671, 12243), (1749, 11697), (3339, 6127), (3899, 5247), (4081, 5013)]