20983669490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{29789}}^1$

素因数の和:30179

約数の個数: 64

約数和(自身を含む): 44785094400

約数和(自身を除く): 23801424910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 347, 406, 694, 1015, 1735, 2030, 2429, 3470, 4858, 10063, 12145, 20126, 24290, 29789, 50315, 59578, 70441, 100630, 140882, 148945, 208523, 297890, 352205, 417046, 704410, 863881, 1042615, 1727762, 2085230, 4319405, 6047167, 8638810, 10336783, 12094334, 20673566, 30235835, 51683915, 60471670, 72357481, 103367830, 144714962, 299766707, 361787405, 599533414, 723574810, 1498833535, 2098366949, 2997667070, 4196733898, 10491834745, 20983669490]

約数ペア:

[(1, 20983669490), (2, 10491834745), (5, 4196733898), (7, 2997667070), (10, 2098366949), (14, 1498833535), (29, 723574810), (35, 599533414), (58, 361787405), (70, 299766707), (145, 144714962), (203, 103367830), (290, 72357481), (347, 60471670), (406, 51683915), (694, 30235835), (1015, 20673566), (1735, 12094334), (2030, 10336783), (2429, 8638810), (3470, 6047167), (4858, 4319405), (10063, 2085230), (12145, 1727762), (20126, 1042615), (24290, 863881), (29789, 704410), (50315, 417046), (59578, 352205), (70441, 297890), (100630, 208523), (140882, 148945)]