20784028527

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{491}}^1\times {\mathrm{70199}}^1$

素因数の和:70763

約数の個数: 24

約数和(自身を含む): 30531945600

約数和(自身を除く): 9747917073

約数列:

[1, 3, 9, 67, 201, 491, 603, 1473, 4419, 32897, 70199, 98691, 210597, 296073, 631791, 4703333, 14109999, 34467709, 42329997, 103403127, 310209381, 2309336503, 6928009509, 20784028527]

約数ペア:

[(1, 20784028527), (3, 6928009509), (9, 2309336503), (67, 310209381), (201, 103403127), (491, 42329997), (603, 34467709), (1473, 14109999), (4419, 4703333), (32897, 631791), (70199, 296073), (98691, 210597)]