20133689840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{34613}}^1$

素因数の和:35298

約数の個数: 80

約数和(自身を含む): 51145092576

約数和(自身を除く): 31011402736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 661, 880, 1322, 2644, 3305, 5288, 6610, 7271, 10576, 13220, 14542, 26440, 29084, 34613, 36355, 52880, 58168, 69226, 72710, 116336, 138452, 145420, 173065, 276904, 290840, 346130, 380743, 553808, 581680, 692260, 761486, 1384520, 1522972, 1903715, 2769040, 3045944, 3807430, 6091888, 7614860, 15229720, 22879193, 30459440, 45758386, 91516772, 114395965, 183033544, 228791930, 251671123, 366067088, 457583860, 503342246, 915167720, 1006684492, 1258355615, 1830335440, 2013368984, 2516711230, 4026737968, 5033422460, 10066844920, 20133689840]

約数ペア:

[(1, 20133689840), (2, 10066844920), (4, 5033422460), (5, 4026737968), (8, 2516711230), (10, 2013368984), (11, 1830335440), (16, 1258355615), (20, 1006684492), (22, 915167720), (40, 503342246), (44, 457583860), (55, 366067088), (80, 251671123), (88, 228791930), (110, 183033544), (176, 114395965), (220, 91516772), (440, 45758386), (661, 30459440), (880, 22879193), (1322, 15229720), (2644, 7614860), (3305, 6091888), (5288, 3807430), (6610, 3045944), (7271, 2769040), (10576, 1903715), (13220, 1522972), (14542, 1384520), (26440, 761486), (29084, 692260), (34613, 581680), (36355, 553808), (52880, 380743), (58168, 346130), (69226, 290840), (72710, 276904), (116336, 173065), (138452, 145420)]