20925536

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 22942624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 127, 152, 254, 271, 304, 508, 542, 608, 1016, 1084, 2032, 2168, 2413, 4064, 4336, 4826, 5149, 8672, 9652, 10298, 19304, 20596, 34417, 38608, 41192, 68834, 77216, 82384, 137668, 164768, 275336, 550672, 653923, 1101344, 1307846, 2615692, 5231384, 10462768, 20925536]

約数ペア:

[(1, 20925536), (2, 10462768), (4, 5231384), (8, 2615692), (16, 1307846), (19, 1101344), (32, 653923), (38, 550672), (76, 275336), (127, 164768), (152, 137668), (254, 82384), (271, 77216), (304, 68834), (508, 41192), (542, 38608), (608, 34417), (1016, 20596), (1084, 19304), (2032, 10298), (2168, 9652), (2413, 8672), (4064, 5149), (4336, 4826)]