20153949728

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{140677}}^1$

素因数の和:140746

約数の個数: 72

約数和(自身を含む): 44792156556

約数和(自身を除く): 24638206828

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 121, 148, 176, 242, 296, 352, 407, 484, 592, 814, 968, 1184, 1628, 1936, 3256, 3872, 4477, 6512, 8954, 13024, 17908, 35816, 71632, 140677, 143264, 281354, 562708, 1125416, 1547447, 2250832, 3094894, 4501664, 5205049, 6189788, 10410098, 12379576, 17021917, 20820196, 24759152, 34043834, 41640392, 49518304, 57255539, 68087668, 83280784, 114511078, 136175336, 166561568, 229022156, 272350672, 458044312, 544701344, 629810929, 916088624, 1259621858, 1832177248, 2519243716, 5038487432, 10076974864, 20153949728]

約数ペア:

[(1, 20153949728), (2, 10076974864), (4, 5038487432), (8, 2519243716), (11, 1832177248), (16, 1259621858), (22, 916088624), (32, 629810929), (37, 544701344), (44, 458044312), (74, 272350672), (88, 229022156), (121, 166561568), (148, 136175336), (176, 114511078), (242, 83280784), (296, 68087668), (352, 57255539), (407, 49518304), (484, 41640392), (592, 34043834), (814, 24759152), (968, 20820196), (1184, 17021917), (1628, 12379576), (1936, 10410098), (3256, 6189788), (3872, 5205049), (4477, 4501664), (6512, 3094894), (8954, 2250832), (13024, 1547447), (17908, 1125416), (35816, 562708), (71632, 281354), (140677, 143264)]