20121464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1669}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 41482800

約数和(自身を除く): 21361336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1669, 3014, 3338, 6028, 6676, 12056, 13352, 18359, 36718, 73436, 146872, 228653, 457306, 914612, 1829224, 2515183, 5030366, 10060732, 20121464]

約数ペア:

[(1, 20121464), (2, 10060732), (4, 5030366), (8, 2515183), (11, 1829224), (22, 914612), (44, 457306), (88, 228653), (137, 146872), (274, 73436), (548, 36718), (1096, 18359), (1507, 13352), (1669, 12056), (3014, 6676), (3338, 6028)]