20510272

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:299

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 23015168

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 101, 152, 167, 202, 304, 334, 404, 608, 668, 808, 1216, 1336, 1616, 1919, 2672, 3173, 3232, 3838, 5344, 6346, 6464, 7676, 10688, 12692, 15352, 16867, 25384, 30704, 33734, 50768, 61408, 67468, 101536, 122816, 134936, 203072, 269872, 320473, 539744, 640946, 1079488, 1281892, 2563784, 5127568, 10255136, 20510272]

約数ペア:

[(1, 20510272), (2, 10255136), (4, 5127568), (8, 2563784), (16, 1281892), (19, 1079488), (32, 640946), (38, 539744), (64, 320473), (76, 269872), (101, 203072), (152, 134936), (167, 122816), (202, 101536), (304, 67468), (334, 61408), (404, 50768), (608, 33734), (668, 30704), (808, 25384), (1216, 16867), (1336, 15352), (1616, 12692), (1919, 10688), (2672, 7676), (3173, 6464), (3232, 6346), (3838, 5344)]