20132346285

素因数分解:

$3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{316621}}^1$

素因数の和:316795

約数の個数: 40

約数和(自身を含む): 36319076376

約数和(自身を除く): 16186730091

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 405, 471, 785, 1413, 2355, 4239, 7065, 12717, 21195, 63585, 316621, 949863, 1583105, 2849589, 4749315, 8548767, 14247945, 25646301, 42743835, 49709497, 128231505, 149128491, 248547485, 447385473, 745642455, 1342156419, 2236927365, 4026469257, 6710782095, 20132346285]

約数ペア:

[(1, 20132346285), (3, 6710782095), (5, 4026469257), (9, 2236927365), (15, 1342156419), (27, 745642455), (45, 447385473), (81, 248547485), (135, 149128491), (157, 128231505), (405, 49709497), (471, 42743835), (785, 25646301), (1413, 14247945), (2355, 8548767), (4239, 4749315), (7065, 2849589), (12717, 1583105), (21195, 949863), (63585, 316621)]