20212751442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{4919}}^1$

素因数の和:5455

約数の個数: 64

約数和(自身を含む): 43972992000

約数和(自身を除く): 23760240558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 379, 417, 758, 834, 1137, 1807, 2274, 3614, 4919, 4927, 5421, 9838, 9854, 10842, 14757, 14781, 29514, 29562, 52681, 63947, 105362, 127894, 158043, 191841, 316086, 383682, 683741, 684853, 1367482, 1369706, 1864301, 2051223, 2054559, 3728602, 4102446, 4109118, 5592903, 8888633, 11185806, 17777266, 24235913, 26665899, 48471826, 53331798, 72707739, 145415478, 259137839, 518275678, 777413517, 1554827034, 3368791907, 6737583814, 10106375721, 20212751442]

約数ペア:

[(1, 20212751442), (2, 10106375721), (3, 6737583814), (6, 3368791907), (13, 1554827034), (26, 777413517), (39, 518275678), (78, 259137839), (139, 145415478), (278, 72707739), (379, 53331798), (417, 48471826), (758, 26665899), (834, 24235913), (1137, 17777266), (1807, 11185806), (2274, 8888633), (3614, 5592903), (4919, 4109118), (4927, 4102446), (5421, 3728602), (9838, 2054559), (9854, 2051223), (10842, 1864301), (14757, 1369706), (14781, 1367482), (29514, 684853), (29562, 683741), (52681, 383682), (63947, 316086), (105362, 191841), (127894, 158043)]