20199063040

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{606943}}^1$

素因数の和:606979

約数の個数: 80

約数和(自身を含む): 52155911808

約数和(自身を除く): 31956848768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 16640, 33280, 606943, 1213886, 2427772, 3034715, 4855544, 6069430, 7890259, 9711088, 12138860, 15780518, 19422176, 24277720, 31561036, 38844352, 39451295, 48555440, 63122072, 77688704, 78902590, 97110880, 126244144, 155377408, 157805180, 194221760, 252488288, 310754816, 315610360, 388443520, 504976576, 631220720, 776887040, 1009953152, 1262441440, 1553774080, 2019906304, 2524882880, 4039812608, 5049765760, 10099531520, 20199063040]

約数ペア:

[(1, 20199063040), (2, 10099531520), (4, 5049765760), (5, 4039812608), (8, 2524882880), (10, 2019906304), (13, 1553774080), (16, 1262441440), (20, 1009953152), (26, 776887040), (32, 631220720), (40, 504976576), (52, 388443520), (64, 315610360), (65, 310754816), (80, 252488288), (104, 194221760), (128, 157805180), (130, 155377408), (160, 126244144), (208, 97110880), (256, 78902590), (260, 77688704), (320, 63122072), (416, 48555440), (512, 39451295), (520, 38844352), (640, 31561036), (832, 24277720), (1040, 19422176), (1280, 15780518), (1664, 12138860), (2080, 9711088), (2560, 7890259), (3328, 6069430), (4160, 4855544), (6656, 3034715), (8320, 2427772), (16640, 1213886), (33280, 606943)]