20176948179

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{2281}}^1$

素因数の和:2753

約数の個数: 64

約数和(自身を含む): 32291212800

約数和(自身を除く): 12114264621

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 401, 513, 817, 1161, 1203, 2281, 2451, 3609, 6843, 7353, 7619, 10827, 17243, 20529, 22059, 22857, 43339, 51729, 61587, 68571, 98083, 130017, 155187, 205713, 294249, 327617, 390051, 465561, 882747, 914681, 982851, 1170153, 1863577, 2648241, 2744043, 2948553, 5590731, 8232129, 8845659, 16772193, 17378939, 24696387, 39331283, 50316579, 52136817, 117993849, 156410451, 353981547, 469231353, 747294377, 1061944641, 2241883131, 6725649393, 20176948179]

約数ペア:

[(1, 20176948179), (3, 6725649393), (9, 2241883131), (19, 1061944641), (27, 747294377), (43, 469231353), (57, 353981547), (129, 156410451), (171, 117993849), (387, 52136817), (401, 50316579), (513, 39331283), (817, 24696387), (1161, 17378939), (1203, 16772193), (2281, 8845659), (2451, 8232129), (3609, 5590731), (6843, 2948553), (7353, 2744043), (7619, 2648241), (10827, 1863577), (17243, 1170153), (20529, 982851), (22059, 914681), (22857, 882747), (43339, 465561), (51729, 390051), (61587, 327617), (68571, 294249), (98083, 205713), (130017, 155187)]