20242845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 42516480

約数和(自身を除く): 22273635

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 691, 837, 945, 1085, 1395, 1953, 2073, 3255, 3455, 4185, 4837, 5859, 6219, 9765, 10365, 14511, 18657, 21421, 24185, 29295, 31095, 43533, 64263, 72555, 93285, 107105, 130599, 149947, 192789, 217665, 321315, 449841, 578367, 652995, 749735, 963945, 1349523, 2249205, 2891835, 4048569, 6747615, 20242845]

約数ペア:

[(1, 20242845), (3, 6747615), (5, 4048569), (7, 2891835), (9, 2249205), (15, 1349523), (21, 963945), (27, 749735), (31, 652995), (35, 578367), (45, 449841), (63, 321315), (93, 217665), (105, 192789), (135, 149947), (155, 130599), (189, 107105), (217, 93285), (279, 72555), (315, 64263), (465, 43533), (651, 31095), (691, 29295), (837, 24185), (945, 21421), (1085, 18657), (1395, 14511), (1953, 10365), (2073, 9765), (3255, 6219), (3455, 5859), (4185, 4837)]