20881644

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2127

約数の個数: 72

約数和(自身を含む): 60041520

約数和(自身を除く): 39159876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 588, 714, 833, 1428, 1666, 2089, 2499, 3332, 4178, 4998, 6267, 8356, 9996, 12534, 14623, 25068, 29246, 35513, 43869, 58492, 71026, 87738, 102361, 106539, 142052, 175476, 204722, 213078, 248591, 307083, 409444, 426156, 497182, 614166, 745773, 994364, 1228332, 1491546, 1740137, 2983092, 3480274, 5220411, 6960548, 10440822, 20881644]

約数ペア:

[(1, 20881644), (2, 10440822), (3, 6960548), (4, 5220411), (6, 3480274), (7, 2983092), (12, 1740137), (14, 1491546), (17, 1228332), (21, 994364), (28, 745773), (34, 614166), (42, 497182), (49, 426156), (51, 409444), (68, 307083), (84, 248591), (98, 213078), (102, 204722), (119, 175476), (147, 142052), (196, 106539), (204, 102361), (238, 87738), (294, 71026), (357, 58492), (476, 43869), (588, 35513), (714, 29246), (833, 25068), (1428, 14623), (1666, 12534), (2089, 9996), (2499, 8356), (3332, 6267), (4178, 4998)]