20195012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 38986752

約数和(自身を除く): 18791740

約数列:

[1, 2, 4, 23, 31, 46, 62, 73, 92, 97, 124, 146, 194, 292, 388, 713, 1426, 1679, 2231, 2263, 2852, 3007, 3358, 4462, 4526, 6014, 6716, 7081, 8924, 9052, 12028, 14162, 28324, 52049, 69161, 104098, 138322, 162863, 208196, 219511, 276644, 325726, 439022, 651452, 878044, 5048753, 10097506, 20195012]

約数ペア:

[(1, 20195012), (2, 10097506), (4, 5048753), (23, 878044), (31, 651452), (46, 439022), (62, 325726), (73, 276644), (92, 219511), (97, 208196), (124, 162863), (146, 138322), (194, 104098), (292, 69161), (388, 52049), (713, 28324), (1426, 14162), (1679, 12028), (2231, 9052), (2263, 8924), (2852, 7081), (3007, 6716), (3358, 6014), (4462, 4526)]