20303036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 19704484

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 89, 107, 164, 178, 214, 356, 428, 533, 1066, 1157, 1391, 2132, 2314, 2782, 3649, 4387, 4628, 5564, 7298, 8774, 9523, 14596, 17548, 19046, 38092, 47437, 57031, 94874, 114062, 123799, 189748, 228124, 247598, 390443, 495196, 780886, 1561772, 5075759, 10151518, 20303036]

約数ペア:

[(1, 20303036), (2, 10151518), (4, 5075759), (13, 1561772), (26, 780886), (41, 495196), (52, 390443), (82, 247598), (89, 228124), (107, 189748), (164, 123799), (178, 114062), (214, 94874), (356, 57031), (428, 47437), (533, 38092), (1066, 19046), (1157, 17548), (1391, 14596), (2132, 9523), (2314, 8774), (2782, 7298), (3649, 5564), (4387, 4628)]