20736052038

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1322621}}^1$

素因数の和:1322709

約数の個数: 48

約数和(自身を含む): 49106309616

約数和(自身を除く): 28370257578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1742, 2613, 5226, 7839, 15678, 1322621, 2645242, 3967863, 7935726, 11903589, 17194073, 23807178, 34388146, 51582219, 88615607, 103164438, 154746657, 177231214, 265846821, 309493314, 531693642, 797540463, 1152002891, 1595080926, 2304005782, 3456008673, 6912017346, 10368026019, 20736052038]

約数ペア:

[(1, 20736052038), (2, 10368026019), (3, 6912017346), (6, 3456008673), (9, 2304005782), (13, 1595080926), (18, 1152002891), (26, 797540463), (39, 531693642), (67, 309493314), (78, 265846821), (117, 177231214), (134, 154746657), (201, 103164438), (234, 88615607), (402, 51582219), (603, 34388146), (871, 23807178), (1206, 17194073), (1742, 11903589), (2613, 7935726), (5226, 3967863), (7839, 2645242), (15678, 1322621)]