20761755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8597}}^1$

素因数の和:8635

約数の個数: 32

約数和(自身を含む): 39619584

約数和(自身を除く): 18857829

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8597, 25791, 42985, 60179, 128955, 180537, 197731, 300895, 593193, 902685, 988655, 1384117, 2965965, 4152351, 6920585, 20761755]

約数ペア:

[(1, 20761755), (3, 6920585), (5, 4152351), (7, 2965965), (15, 1384117), (21, 988655), (23, 902685), (35, 593193), (69, 300895), (105, 197731), (115, 180537), (161, 128955), (345, 60179), (483, 42985), (805, 25791), (2415, 8597)]