20023720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26347}}^1$

素因数の和:26377

約数の個数: 32

約数和(自身を含む): 47426400

約数和(自身を除く): 27402680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26347, 52694, 105388, 131735, 210776, 263470, 500593, 526940, 1001186, 1053880, 2002372, 2502965, 4004744, 5005930, 10011860, 20023720]

約数ペア:

[(1, 20023720), (2, 10011860), (4, 5005930), (5, 4004744), (8, 2502965), (10, 2002372), (19, 1053880), (20, 1001186), (38, 526940), (40, 500593), (76, 263470), (95, 210776), (152, 131735), (190, 105388), (380, 52694), (760, 26347)]