20127520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17971}}^1$

素因数の和:17993

約数の個数: 48

約数和(自身を含む): 54347328

約数和(自身を除く): 34219808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17971, 35942, 71884, 89855, 125797, 143768, 179710, 251594, 287536, 359420, 503188, 575072, 628985, 718840, 1006376, 1257970, 1437680, 2012752, 2515940, 2875360, 4025504, 5031880, 10063760, 20127520]

約数ペア:

[(1, 20127520), (2, 10063760), (4, 5031880), (5, 4025504), (7, 2875360), (8, 2515940), (10, 2012752), (14, 1437680), (16, 1257970), (20, 1006376), (28, 718840), (32, 628985), (35, 575072), (40, 503188), (56, 359420), (70, 287536), (80, 251594), (112, 179710), (140, 143768), (160, 125797), (224, 89855), (280, 71884), (560, 35942), (1120, 17971)]