20075552

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 28913248

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 53, 56, 76, 89, 106, 112, 133, 152, 178, 212, 224, 266, 304, 356, 371, 424, 532, 608, 623, 712, 742, 848, 1007, 1064, 1246, 1424, 1484, 1691, 1696, 2014, 2128, 2492, 2848, 2968, 3382, 4028, 4256, 4717, 4984, 5936, 6764, 7049, 8056, 9434, 9968, 11837, 11872, 13528, 14098, 16112, 18868, 19936, 23674, 27056, 28196, 32224, 33019, 37736, 47348, 54112, 56392, 66038, 75472, 89623, 94696, 112784, 132076, 150944, 179246, 189392, 225568, 264152, 358492, 378784, 528304, 627361, 716984, 1056608, 1254722, 1433968, 2509444, 2867936, 5018888, 10037776, 20075552]

約数ペア:

[(1, 20075552), (2, 10037776), (4, 5018888), (7, 2867936), (8, 2509444), (14, 1433968), (16, 1254722), (19, 1056608), (28, 716984), (32, 627361), (38, 528304), (53, 378784), (56, 358492), (76, 264152), (89, 225568), (106, 189392), (112, 179246), (133, 150944), (152, 132076), (178, 112784), (212, 94696), (224, 89623), (266, 75472), (304, 66038), (356, 56392), (371, 54112), (424, 47348), (532, 37736), (608, 33019), (623, 32224), (712, 28196), (742, 27056), (848, 23674), (1007, 19936), (1064, 18868), (1246, 16112), (1424, 14098), (1484, 13528), (1691, 11872), (1696, 11837), (2014, 9968), (2128, 9434), (2492, 8056), (2848, 7049), (2968, 6764), (3382, 5936), (4028, 4984), (4256, 4717)]