20147781280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11447603}}^1$

素因数の和:11447629

約数の個数: 48

約数和(自身を含む): 51926331744

約数和(自身を除く): 31778550464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11447603, 22895206, 45790412, 57238015, 91580824, 114476030, 125923633, 183161648, 228952060, 251847266, 366323296, 457904120, 503694532, 629618165, 915808240, 1007389064, 1259236330, 1831616480, 2014778128, 2518472660, 4029556256, 5036945320, 10073890640, 20147781280]

約数ペア:

[(1, 20147781280), (2, 10073890640), (4, 5036945320), (5, 4029556256), (8, 2518472660), (10, 2014778128), (11, 1831616480), (16, 1259236330), (20, 1007389064), (22, 915808240), (32, 629618165), (40, 503694532), (44, 457904120), (55, 366323296), (80, 251847266), (88, 228952060), (110, 183161648), (160, 125923633), (176, 114476030), (220, 91580824), (352, 57238015), (440, 45790412), (880, 22895206), (1760, 11447603)]