20144705

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8885695

約数列:

[1, 5, 7, 29, 35, 89, 145, 203, 223, 445, 623, 1015, 1115, 1561, 2581, 3115, 6467, 7805, 12905, 18067, 19847, 32335, 45269, 90335, 99235, 138929, 226345, 575563, 694645, 2877815, 4028941, 20144705]

約数ペア:

[(1, 20144705), (5, 4028941), (7, 2877815), (29, 694645), (35, 575563), (89, 226345), (145, 138929), (203, 99235), (223, 90335), (445, 45269), (623, 32335), (1015, 19847), (1115, 18067), (1561, 12905), (2581, 7805), (3115, 6467)]