20643595

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 9999605

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 665, 703, 839, 1295, 3515, 4195, 4921, 5873, 15941, 24605, 29365, 31043, 79705, 111587, 155215, 217301, 557935, 589817, 1086505, 2949085, 4128719, 20643595]

約数ペア:

[(1, 20643595), (5, 4128719), (7, 2949085), (19, 1086505), (35, 589817), (37, 557935), (95, 217301), (133, 155215), (185, 111587), (259, 79705), (665, 31043), (703, 29365), (839, 24605), (1295, 15941), (3515, 5873), (4195, 4921)]