20398430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 39813984

約数和(自身を除く): 19415554

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 907, 1730, 1814, 2249, 4498, 4535, 9070, 11245, 11791, 22490, 23582, 58955, 117910, 156911, 313822, 784555, 1569110, 2039843, 4079686, 10199215, 20398430]

約数ペア:

[(1, 20398430), (2, 10199215), (5, 4079686), (10, 2039843), (13, 1569110), (26, 784555), (65, 313822), (130, 156911), (173, 117910), (346, 58955), (865, 23582), (907, 22490), (1730, 11791), (1814, 11245), (2249, 9070), (4498, 4535)]