20137903065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{177091}}^1$

素因数の和:177147

約数の個数: 72

約数和(自身を含む): 42102560448

約数和(自身を除く): 21964657383

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 361, 399, 665, 855, 1083, 1197, 1805, 1995, 2527, 3249, 5415, 5985, 7581, 12635, 16245, 22743, 37905, 113715, 177091, 531273, 885455, 1239637, 1593819, 2656365, 3364729, 3718911, 6198185, 7969095, 10094187, 11156733, 16823645, 18594555, 23553103, 30282561, 50470935, 55783665, 63929851, 70659309, 117765515, 151412805, 191789553, 211977927, 319649255, 353296545, 447508957, 575368659, 958947765, 1059889635, 1342526871, 2237544785, 2876843295, 4027580613, 6712634355, 20137903065]

約数ペア:

[(1, 20137903065), (3, 6712634355), (5, 4027580613), (7, 2876843295), (9, 2237544785), (15, 1342526871), (19, 1059889635), (21, 958947765), (35, 575368659), (45, 447508957), (57, 353296545), (63, 319649255), (95, 211977927), (105, 191789553), (133, 151412805), (171, 117765515), (285, 70659309), (315, 63929851), (361, 55783665), (399, 50470935), (665, 30282561), (855, 23553103), (1083, 18594555), (1197, 16823645), (1805, 11156733), (1995, 10094187), (2527, 7969095), (3249, 6198185), (5415, 3718911), (5985, 3364729), (7581, 2656365), (12635, 1593819), (16245, 1239637), (22743, 885455), (37905, 531273), (113715, 177091)]