20921325095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1319}}^1\times {\mathrm{1667}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 27583649280

約数和(自身を除く): 6662324185

約数列:

[1, 5, 11, 55, 173, 865, 1319, 1667, 1903, 6595, 8335, 9515, 14509, 18337, 72545, 91685, 228187, 288391, 1140935, 1441955, 2198773, 2510057, 3172301, 10993865, 12550285, 15861505, 24186503, 120932515, 380387729, 1901938645, 4184265019, 20921325095]

約数ペア:

[(1, 20921325095), (5, 4184265019), (11, 1901938645), (55, 380387729), (173, 120932515), (865, 24186503), (1319, 15861505), (1667, 12550285), (1903, 10993865), (6595, 3172301), (8335, 2510057), (9515, 2198773), (14509, 1441955), (18337, 1140935), (72545, 288391), (91685, 228187)]