20107790724

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{468451}}^1$

素因数の和:468545

約数の個数: 72

約数和(自身を含む): 55326055008

約数和(自身を除く): 35218264284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 511, 588, 876, 1022, 1533, 2044, 3066, 3577, 6132, 7154, 10731, 14308, 21462, 42924, 468451, 936902, 1405353, 1873804, 2810706, 3279157, 5621412, 6558314, 9837471, 13116628, 19674942, 22954099, 34196923, 39349884, 45908198, 68393846, 68862297, 91816396, 102590769, 136787692, 137724594, 205181538, 239378461, 275449188, 410363076, 478756922, 718135383, 957513844, 1436270766, 1675649227, 2872541532, 3351298454, 5026947681, 6702596908, 10053895362, 20107790724]

約数ペア:

[(1, 20107790724), (2, 10053895362), (3, 6702596908), (4, 5026947681), (6, 3351298454), (7, 2872541532), (12, 1675649227), (14, 1436270766), (21, 957513844), (28, 718135383), (42, 478756922), (49, 410363076), (73, 275449188), (84, 239378461), (98, 205181538), (146, 137724594), (147, 136787692), (196, 102590769), (219, 91816396), (292, 68862297), (294, 68393846), (438, 45908198), (511, 39349884), (588, 34196923), (876, 22954099), (1022, 19674942), (1533, 13116628), (2044, 9837471), (3066, 6558314), (3577, 5621412), (6132, 3279157), (7154, 2810706), (10731, 1873804), (14308, 1405353), (21462, 936902), (42924, 468451)]