20628224

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4241}}^1$

素因数の和:4276

約数の個数: 36

約数和(自身を含む): 43353240

約数和(自身を除く): 22725016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4241, 4864, 8482, 16964, 33928, 67856, 80579, 135712, 161158, 271424, 322316, 542848, 644632, 1085696, 1289264, 2578528, 5157056, 10314112, 20628224]

約数ペア:

[(1, 20628224), (2, 10314112), (4, 5157056), (8, 2578528), (16, 1289264), (19, 1085696), (32, 644632), (38, 542848), (64, 322316), (76, 271424), (128, 161158), (152, 135712), (256, 80579), (304, 67856), (608, 33928), (1216, 16964), (2432, 8482), (4241, 4864)]