20934580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 25937420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 619, 890, 1238, 1691, 1780, 2476, 3095, 3382, 6190, 6764, 8455, 11761, 12380, 16910, 23522, 33820, 47044, 55091, 58805, 110182, 117610, 220364, 235220, 275455, 550910, 1046729, 1101820, 2093458, 4186916, 5233645, 10467290, 20934580]

約数ペア:

[(1, 20934580), (2, 10467290), (4, 5233645), (5, 4186916), (10, 2093458), (19, 1101820), (20, 1046729), (38, 550910), (76, 275455), (89, 235220), (95, 220364), (178, 117610), (190, 110182), (356, 58805), (380, 55091), (445, 47044), (619, 33820), (890, 23522), (1238, 16910), (1691, 12380), (1780, 11761), (2476, 8455), (3095, 6764), (3382, 6190)]