20001455896

素因数分解:

$2^3\times {\mathrm{173}}^1\times {\mathrm{677}}^1\times {\mathrm{21347}}^1$

素因数の和:22203

約数の個数: 32

約数和(自身を含む): 37776993840

約数和(自身を除く): 17775537944

約数列:

[1, 2, 4, 8, 173, 346, 677, 692, 1354, 1384, 2708, 5416, 21347, 42694, 85388, 117121, 170776, 234242, 468484, 936968, 3693031, 7386062, 14451919, 14772124, 28903838, 29544248, 57807676, 115615352, 2500181987, 5000363974, 10000727948, 20001455896]

約数ペア:

[(1, 20001455896), (2, 10000727948), (4, 5000363974), (8, 2500181987), (173, 115615352), (346, 57807676), (677, 29544248), (692, 28903838), (1354, 14772124), (1384, 14451919), (2708, 7386062), (5416, 3693031), (21347, 936968), (42694, 468484), (85388, 234242), (117121, 170776)]