20143890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1945

約数の個数: 80

約数和(自身を含む): 58361688

約数和(自身を除く): 38217798

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 1913, 2106, 3510, 3826, 5265, 5739, 9565, 10530, 11478, 17217, 19130, 24869, 28695, 34434, 49738, 51651, 57390, 74607, 86085, 103302, 124345, 149214, 154953, 172170, 223821, 248690, 258255, 309906, 373035, 447642, 516510, 671463, 746070, 774765, 1119105, 1342926, 1549530, 2014389, 2238210, 3357315, 4028778, 6714630, 10071945, 20143890]

約数ペア:

[(1, 20143890), (2, 10071945), (3, 6714630), (5, 4028778), (6, 3357315), (9, 2238210), (10, 2014389), (13, 1549530), (15, 1342926), (18, 1119105), (26, 774765), (27, 746070), (30, 671463), (39, 516510), (45, 447642), (54, 373035), (65, 309906), (78, 258255), (81, 248690), (90, 223821), (117, 172170), (130, 154953), (135, 149214), (162, 124345), (195, 103302), (234, 86085), (270, 74607), (351, 57390), (390, 51651), (405, 49738), (585, 34434), (702, 28695), (810, 24869), (1053, 19130), (1170, 17217), (1755, 11478), (1913, 10530), (2106, 9565), (3510, 5739), (3826, 5265)]