20165720319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1\times {\mathrm{2081}}^1$

素因数の和:3096

約数の個数: 48

約数和(自身を含む): 31212511200

約数和(自身を除く): 11046790881

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 929, 1159, 2081, 2787, 3477, 6243, 8361, 10431, 17651, 18729, 39539, 52953, 56669, 118617, 126941, 158859, 170007, 355851, 380823, 510021, 1076711, 1142469, 1933249, 2411879, 3230133, 5799747, 7235637, 9690399, 17399241, 21706911, 36731731, 110195193, 117928189, 330585579, 353784567, 1061353701, 2240635591, 6721906773, 20165720319]

約数ペア:

[(1, 20165720319), (3, 6721906773), (9, 2240635591), (19, 1061353701), (57, 353784567), (61, 330585579), (171, 117928189), (183, 110195193), (549, 36731731), (929, 21706911), (1159, 17399241), (2081, 9690399), (2787, 7235637), (3477, 5799747), (6243, 3230133), (8361, 2411879), (10431, 1933249), (17651, 1142469), (18729, 1076711), (39539, 510021), (52953, 380823), (56669, 355851), (118617, 170007), (126941, 158859)]