20231488480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2580547}}^1$

素因数の和:2580576

約数の個数: 72

約数和(自身を含む): 55600487208

約数和(自身を除く): 35368998728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 2580547, 5161094, 10322188, 12902735, 18063829, 20644376, 25805470, 36127658, 41288752, 51610940, 72255316, 82577504, 90319145, 103221880, 126446803, 144510632, 180638290, 206443760, 252893606, 289021264, 361276580, 412887520, 505787212, 578042528, 632234015, 722553160, 1011574424, 1264468030, 1445106320, 2023148848, 2528936060, 2890212640, 4046297696, 5057872120, 10115744240, 20231488480]

約数ペア:

[(1, 20231488480), (2, 10115744240), (4, 5057872120), (5, 4046297696), (7, 2890212640), (8, 2528936060), (10, 2023148848), (14, 1445106320), (16, 1264468030), (20, 1011574424), (28, 722553160), (32, 632234015), (35, 578042528), (40, 505787212), (49, 412887520), (56, 361276580), (70, 289021264), (80, 252893606), (98, 206443760), (112, 180638290), (140, 144510632), (160, 126446803), (196, 103221880), (224, 90319145), (245, 82577504), (280, 72255316), (392, 51610940), (490, 41288752), (560, 36127658), (784, 25805470), (980, 20644376), (1120, 18063829), (1568, 12902735), (1960, 10322188), (3920, 5161094), (7840, 2580547)]