20222496560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{9103}}^1\times {\mathrm{3967}}^1$

素因数の和:13090

約数の個数: 80

約数和(自身を含む): 53753511936

約数和(自身を除く): 33531015376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3967, 7934, 9103, 15868, 18206, 19835, 27769, 31736, 36412, 39670, 45515, 55538, 63472, 63721, 72824, 79340, 91030, 111076, 127442, 138845, 145648, 158680, 182060, 222152, 254884, 277690, 317360, 318605, 364120, 444304, 509768, 555380, 637210, 728240, 1019536, 1110760, 1274420, 2221520, 2548840, 5097680, 36111601, 72223202, 144446404, 180558005, 252781207, 288892808, 361116010, 505562414, 577785616, 722232020, 1011124828, 1263906035, 1444464040, 2022249656, 2527812070, 2888928080, 4044499312, 5055624140, 10111248280, 20222496560]

約数ペア:

[(1, 20222496560), (2, 10111248280), (4, 5055624140), (5, 4044499312), (7, 2888928080), (8, 2527812070), (10, 2022249656), (14, 1444464040), (16, 1263906035), (20, 1011124828), (28, 722232020), (35, 577785616), (40, 505562414), (56, 361116010), (70, 288892808), (80, 252781207), (112, 180558005), (140, 144446404), (280, 72223202), (560, 36111601), (3967, 5097680), (7934, 2548840), (9103, 2221520), (15868, 1274420), (18206, 1110760), (19835, 1019536), (27769, 728240), (31736, 637210), (36412, 555380), (39670, 509768), (45515, 444304), (55538, 364120), (63472, 318605), (63721, 317360), (72824, 277690), (79340, 254884), (91030, 222152), (111076, 182060), (127442, 158680), (138845, 145648)]