20888936656

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{814447}}^1$

素因数の和:814691

約数の個数: 40

約数和(自身を含む): 46456113920

約数和(自身を除く): 25567177264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 916, 1603, 1832, 3206, 3664, 6412, 12824, 25648, 814447, 1628894, 3257788, 5701129, 6515576, 11402258, 13031152, 22804516, 45609032, 91218064, 186508363, 373016726, 746033452, 1305558541, 1492066904, 2611117082, 2984133808, 5222234164, 10444468328, 20888936656]

約数ペア:

[(1, 20888936656), (2, 10444468328), (4, 5222234164), (7, 2984133808), (8, 2611117082), (14, 1492066904), (16, 1305558541), (28, 746033452), (56, 373016726), (112, 186508363), (229, 91218064), (458, 45609032), (916, 22804516), (1603, 13031152), (1832, 11402258), (3206, 6515576), (3664, 5701129), (6412, 3257788), (12824, 1628894), (25648, 814447)]