20454588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 66253824

約数和(自身を除く): 45799236

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 47, 63, 66, 77, 84, 94, 99, 126, 132, 141, 154, 157, 188, 198, 231, 252, 282, 308, 314, 329, 396, 423, 462, 471, 517, 564, 628, 658, 693, 846, 924, 942, 987, 1034, 1099, 1316, 1386, 1413, 1551, 1692, 1727, 1884, 1974, 2068, 2198, 2772, 2826, 2961, 3102, 3297, 3454, 3619, 3948, 4396, 4653, 5181, 5652, 5922, 6204, 6594, 6908, 7238, 7379, 9306, 9891, 10362, 10857, 11844, 12089, 13188, 14476, 14758, 15543, 18612, 19782, 20724, 21714, 22137, 24178, 29516, 31086, 32571, 36267, 39564, 43428, 44274, 48356, 51653, 62172, 65142, 66411, 72534, 81169, 88548, 103306, 108801, 130284, 132822, 145068, 154959, 162338, 206612, 217602, 243507, 265644, 309918, 324676, 435204, 464877, 487014, 568183, 619836, 730521, 929754, 974028, 1136366, 1461042, 1704549, 1859508, 2272732, 2922084, 3409098, 5113647, 6818196, 10227294, 20454588]

約数ペア:

[(1, 20454588), (2, 10227294), (3, 6818196), (4, 5113647), (6, 3409098), (7, 2922084), (9, 2272732), (11, 1859508), (12, 1704549), (14, 1461042), (18, 1136366), (21, 974028), (22, 929754), (28, 730521), (33, 619836), (36, 568183), (42, 487014), (44, 464877), (47, 435204), (63, 324676), (66, 309918), (77, 265644), (84, 243507), (94, 217602), (99, 206612), (126, 162338), (132, 154959), (141, 145068), (154, 132822), (157, 130284), (188, 108801), (198, 103306), (231, 88548), (252, 81169), (282, 72534), (308, 66411), (314, 65142), (329, 62172), (396, 51653), (423, 48356), (462, 44274), (471, 43428), (517, 39564), (564, 36267), (628, 32571), (658, 31086), (693, 29516), (846, 24178), (924, 22137), (942, 21714), (987, 20724), (1034, 19782), (1099, 18612), (1316, 15543), (1386, 14758), (1413, 14476), (1551, 13188), (1692, 12089), (1727, 11844), (1884, 10857), (1974, 10362), (2068, 9891), (2198, 9306), (2772, 7379), (2826, 7238), (2961, 6908), (3102, 6594), (3297, 6204), (3454, 5922), (3619, 5652), (3948, 5181), (4396, 4653)]