20560698921

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{28723}}^1$

素因数の和:29205

約数の個数: 32

約数和(自身を含む): 31766446080

約数和(自身を除く): 11205747159

約数列:

[1, 3, 7, 21, 89, 267, 383, 623, 1149, 1869, 2681, 8043, 28723, 34087, 86169, 102261, 201061, 238609, 603183, 715827, 2556347, 7669041, 11000909, 17894429, 33002727, 53683287, 77006363, 231019089, 979080901, 2937242703, 6853566307, 20560698921]

約数ペア:

[(1, 20560698921), (3, 6853566307), (7, 2937242703), (21, 979080901), (89, 231019089), (267, 77006363), (383, 53683287), (623, 33002727), (1149, 17894429), (1869, 11000909), (2681, 7669041), (8043, 2556347), (28723, 715827), (34087, 603183), (86169, 238609), (102261, 201061)]