20784433890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1188361}}^1$

素因数の和:1188435

約数の個数: 64

約数和(自身を含む): 55444217472

約数和(自身を除く): 34659783582

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 53, 55, 66, 106, 110, 159, 165, 265, 318, 330, 530, 583, 795, 1166, 1590, 1749, 2915, 3498, 5830, 8745, 17490, 1188361, 2376722, 3565083, 5941805, 7130166, 11883610, 13071971, 17825415, 26143942, 35650830, 39215913, 62983133, 65359855, 78431826, 125966266, 130719710, 188949399, 196079565, 314915665, 377898798, 392159130, 629831330, 692814463, 944746995, 1385628926, 1889493990, 2078443389, 3464072315, 4156886778, 6928144630, 10392216945, 20784433890]

約数ペア:

[(1, 20784433890), (2, 10392216945), (3, 6928144630), (5, 4156886778), (6, 3464072315), (10, 2078443389), (11, 1889493990), (15, 1385628926), (22, 944746995), (30, 692814463), (33, 629831330), (53, 392159130), (55, 377898798), (66, 314915665), (106, 196079565), (110, 188949399), (159, 130719710), (165, 125966266), (265, 78431826), (318, 65359855), (330, 62983133), (530, 39215913), (583, 35650830), (795, 26143942), (1166, 17825415), (1590, 13071971), (1749, 11883610), (2915, 7130166), (3498, 5941805), (5830, 3565083), (8745, 2376722), (17490, 1188361)]