20733712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{283}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 42611360

約数和(自身を除く): 21877648

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 241, 283, 304, 482, 566, 964, 1132, 1928, 2264, 3856, 4528, 4579, 5377, 9158, 10754, 18316, 21508, 36632, 43016, 68203, 73264, 86032, 136406, 272812, 545624, 1091248, 1295857, 2591714, 5183428, 10366856, 20733712]

約数ペア:

[(1, 20733712), (2, 10366856), (4, 5183428), (8, 2591714), (16, 1295857), (19, 1091248), (38, 545624), (76, 272812), (152, 136406), (241, 86032), (283, 73264), (304, 68203), (482, 43016), (566, 36632), (964, 21508), (1132, 18316), (1928, 10754), (2264, 9158), (3856, 5377), (4528, 4579)]