20996834691

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1\times {\mathrm{49549}}^1$

素因数の和:50763

約数の個数: 32

約数和(自身を含む): 33906470400

約数和(自身を除く): 12909635709

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1187, 3561, 8309, 20179, 24927, 49549, 60537, 141253, 148647, 346843, 423759, 842333, 1040529, 2526999, 5896331, 17688993, 58814663, 176443989, 411702641, 999849271, 1235107923, 2999547813, 6998944897, 20996834691]

約数ペア:

[(1, 20996834691), (3, 6998944897), (7, 2999547813), (17, 1235107923), (21, 999849271), (51, 411702641), (119, 176443989), (357, 58814663), (1187, 17688993), (3561, 5896331), (8309, 2526999), (20179, 1040529), (24927, 842333), (49549, 423759), (60537, 346843), (141253, 148647)]