20675616

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16567}}^1$

素因数の和:16593

約数の個数: 48

約数和(自身を含む): 58451904

約数和(自身を除く): 37776288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16567, 33134, 49701, 66268, 99402, 132536, 198804, 215371, 265072, 397608, 430742, 530144, 646113, 795216, 861484, 1292226, 1590432, 1722968, 2584452, 3445936, 5168904, 6891872, 10337808, 20675616]

約数ペア:

[(1, 20675616), (2, 10337808), (3, 6891872), (4, 5168904), (6, 3445936), (8, 2584452), (12, 1722968), (13, 1590432), (16, 1292226), (24, 861484), (26, 795216), (32, 646113), (39, 530144), (48, 430742), (52, 397608), (78, 265072), (96, 215371), (104, 198804), (156, 132536), (208, 99402), (312, 66268), (416, 49701), (624, 33134), (1248, 16567)]