20121660478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1\times {\mathrm{5011}}^1$

素因数の和:5704

約数の個数: 32

約数和(自身を含む): 31979767680

約数和(自身を除く): 11858107202

約数列:

[1, 2, 19, 38, 251, 421, 502, 842, 4769, 5011, 7999, 9538, 10022, 15998, 95209, 105671, 190418, 211342, 1257761, 2007749, 2109631, 2515522, 4015498, 4219262, 23897459, 40082989, 47794918, 80165978, 529517381, 1059034762, 10060830239, 20121660478]

約数ペア:

[(1, 20121660478), (2, 10060830239), (19, 1059034762), (38, 529517381), (251, 80165978), (421, 47794918), (502, 40082989), (842, 23897459), (4769, 4219262), (5011, 4015498), (7999, 2515522), (9538, 2109631), (10022, 2007749), (15998, 1257761), (95209, 211342), (105671, 190418)]