20199985424

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{1789}}^1\times {\mathrm{19073}}^1$

素因数の和:20907

約数の個数: 40

約数和(自身を含む): 40219817880

約数和(自身を除く): 20019832456

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1789, 3578, 7156, 14312, 19073, 28624, 38146, 66193, 76292, 132386, 152584, 264772, 305168, 529544, 705701, 1059088, 1411402, 2822804, 5645608, 11291216, 34121597, 68243194, 136486388, 272972776, 545945552, 1262499089, 2524998178, 5049996356, 10099992712, 20199985424]

約数ペア:

[(1, 20199985424), (2, 10099992712), (4, 5049996356), (8, 2524998178), (16, 1262499089), (37, 545945552), (74, 272972776), (148, 136486388), (296, 68243194), (592, 34121597), (1789, 11291216), (3578, 5645608), (7156, 2822804), (14312, 1411402), (19073, 1059088), (28624, 705701), (38146, 529544), (66193, 305168), (76292, 264772), (132386, 152584)]