20173847252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{13217}}^1$

素因数の和:13580

約数の個数: 48

約数和(自身を含む): 38472310800

約数和(自身を除く): 18298463548

約数列:

[1, 2, 4, 13, 26, 52, 149, 197, 298, 394, 596, 788, 1937, 2561, 3874, 5122, 7748, 10244, 13217, 26434, 29353, 52868, 58706, 117412, 171821, 343642, 381589, 687284, 763178, 1526356, 1969333, 2603749, 3938666, 5207498, 7877332, 10414996, 25601329, 33848737, 51202658, 67697474, 102405316, 135394948, 387958601, 775917202, 1551834404, 5043461813, 10086923626, 20173847252]

約数ペア:

[(1, 20173847252), (2, 10086923626), (4, 5043461813), (13, 1551834404), (26, 775917202), (52, 387958601), (149, 135394948), (197, 102405316), (298, 67697474), (394, 51202658), (596, 33848737), (788, 25601329), (1937, 10414996), (2561, 7877332), (3874, 5207498), (5122, 3938666), (7748, 2603749), (10244, 1969333), (13217, 1526356), (26434, 763178), (29353, 687284), (52868, 381589), (58706, 343642), (117412, 171821)]