20374432

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 47500992

約数和(自身を除く): 27126560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 43, 52, 67, 68, 86, 104, 134, 136, 172, 208, 221, 268, 272, 344, 416, 442, 536, 544, 559, 688, 731, 871, 884, 1072, 1118, 1139, 1376, 1462, 1742, 1768, 2144, 2236, 2278, 2881, 2924, 3484, 3536, 4472, 4556, 5762, 5848, 6968, 7072, 8944, 9112, 9503, 11524, 11696, 13936, 14807, 17888, 18224, 19006, 23048, 23392, 27872, 29614, 36448, 37453, 38012, 46096, 48977, 59228, 74906, 76024, 92192, 97954, 118456, 149812, 152048, 195908, 236912, 299624, 304096, 391816, 473824, 599248, 636701, 783632, 1198496, 1273402, 1567264, 2546804, 5093608, 10187216, 20374432]

約数ペア:

[(1, 20374432), (2, 10187216), (4, 5093608), (8, 2546804), (13, 1567264), (16, 1273402), (17, 1198496), (26, 783632), (32, 636701), (34, 599248), (43, 473824), (52, 391816), (67, 304096), (68, 299624), (86, 236912), (104, 195908), (134, 152048), (136, 149812), (172, 118456), (208, 97954), (221, 92192), (268, 76024), (272, 74906), (344, 59228), (416, 48977), (442, 46096), (536, 38012), (544, 37453), (559, 36448), (688, 29614), (731, 27872), (871, 23392), (884, 23048), (1072, 19006), (1118, 18224), (1139, 17888), (1376, 14807), (1462, 13936), (1742, 11696), (1768, 11524), (2144, 9503), (2236, 9112), (2278, 8944), (2881, 7072), (2924, 6968), (3484, 5848), (3536, 5762), (4472, 4556)]