20165784938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{2503}}^1$

素因数の和:2931

約数の個数: 64

約数和(自身を含む): 35134525440

約数和(自身を除く): 14968740502

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 347, 494, 611, 694, 893, 1222, 1786, 2503, 4511, 5006, 6593, 9022, 11609, 13186, 16309, 23218, 32539, 32618, 47557, 65078, 85709, 95114, 117641, 171418, 212017, 235282, 309871, 424034, 618241, 619742, 868541, 1236482, 1529333, 1737082, 2235179, 3058666, 4028323, 4470358, 8056646, 11291033, 16502279, 22582066, 29057327, 33004558, 40821427, 58114654, 81642854, 214529627, 429059254, 530678551, 775607113, 1061357102, 1551214226, 10082892469, 20165784938]

約数ペア:

[(1, 20165784938), (2, 10082892469), (13, 1551214226), (19, 1061357102), (26, 775607113), (38, 530678551), (47, 429059254), (94, 214529627), (247, 81642854), (347, 58114654), (494, 40821427), (611, 33004558), (694, 29057327), (893, 22582066), (1222, 16502279), (1786, 11291033), (2503, 8056646), (4511, 4470358), (5006, 4028323), (6593, 3058666), (9022, 2235179), (11609, 1737082), (13186, 1529333), (16309, 1236482), (23218, 868541), (32539, 619742), (32618, 618241), (47557, 424034), (65078, 309871), (85709, 235282), (95114, 212017), (117641, 171418)]