20199691488

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^2\times {\mathrm{397757}}^1$

素因数の和:397816

約数の個数: 72

約数和(自身を含む): 55429963848

約数和(自身を除く): 35230272360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 529, 552, 736, 1058, 1104, 1587, 2116, 2208, 3174, 4232, 6348, 8464, 12696, 16928, 25392, 50784, 397757, 795514, 1193271, 1591028, 2386542, 3182056, 4773084, 6364112, 9148411, 9546168, 12728224, 18296822, 19092336, 27445233, 36593644, 38184672, 54890466, 73187288, 109780932, 146374576, 210413453, 219561864, 292749152, 420826906, 439123728, 631240359, 841653812, 878247456, 1262480718, 1683307624, 2524961436, 3366615248, 5049922872, 6733230496, 10099845744, 20199691488]

約数ペア:

[(1, 20199691488), (2, 10099845744), (3, 6733230496), (4, 5049922872), (6, 3366615248), (8, 2524961436), (12, 1683307624), (16, 1262480718), (23, 878247456), (24, 841653812), (32, 631240359), (46, 439123728), (48, 420826906), (69, 292749152), (92, 219561864), (96, 210413453), (138, 146374576), (184, 109780932), (276, 73187288), (368, 54890466), (529, 38184672), (552, 36593644), (736, 27445233), (1058, 19092336), (1104, 18296822), (1587, 12728224), (2116, 9546168), (2208, 9148411), (3174, 6364112), (4232, 4773084), (6348, 3182056), (8464, 2386542), (12696, 1591028), (16928, 1193271), (25392, 795514), (50784, 397757)]