20514690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32563}}^1$

素因数の和:32583

約数の個数: 48

約数和(自身を含む): 60959808

約数和(自身を除く): 40445118

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32563, 65126, 97689, 162815, 195378, 227941, 293067, 325630, 455882, 488445, 586134, 683823, 976890, 1139705, 1367646, 1465335, 2051469, 2279410, 2930670, 3419115, 4102938, 6838230, 10257345, 20514690]

約数ペア:

[(1, 20514690), (2, 10257345), (3, 6838230), (5, 4102938), (6, 3419115), (7, 2930670), (9, 2279410), (10, 2051469), (14, 1465335), (15, 1367646), (18, 1139705), (21, 976890), (30, 683823), (35, 586134), (42, 488445), (45, 455882), (63, 325630), (70, 293067), (90, 227941), (105, 195378), (126, 162815), (210, 97689), (315, 65126), (630, 32563)]