20210748481

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83939}}^1$

素因数の和:84069

約数の個数: 32

約数和(自身を含む): 26108697600

約数和(自身を除く): 5897949119

約数列:

[1, 7, 11, 53, 59, 77, 371, 413, 583, 649, 3127, 4081, 4543, 21889, 34397, 83939, 240779, 587573, 923329, 4448767, 4952401, 6463303, 31141369, 34666807, 48936437, 54476411, 262477253, 342555059, 381334877, 1837340771, 2887249783, 20210748481]

約数ペア:

[(1, 20210748481), (7, 2887249783), (11, 1837340771), (53, 381334877), (59, 342555059), (77, 262477253), (371, 54476411), (413, 48936437), (583, 34666807), (649, 31141369), (3127, 6463303), (4081, 4952401), (4543, 4448767), (21889, 923329), (34397, 587573), (83939, 240779)]