20773935

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 27610065

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 27, 35, 39, 45, 57, 63, 65, 89, 91, 95, 105, 117, 133, 135, 171, 189, 195, 247, 267, 273, 285, 315, 351, 399, 445, 455, 513, 585, 623, 665, 741, 801, 819, 855, 945, 1157, 1197, 1235, 1335, 1365, 1691, 1729, 1755, 1869, 1995, 2223, 2403, 2457, 2565, 3115, 3471, 3591, 3705, 4005, 4095, 5073, 5187, 5607, 5785, 5985, 6669, 8099, 8455, 8645, 9345, 10413, 11115, 11837, 12015, 12285, 15219, 15561, 16821, 17355, 17955, 21983, 24297, 25365, 25935, 28035, 31239, 33345, 35511, 40495, 45657, 46683, 52065, 59185, 65949, 72891, 76095, 77805, 84105, 106533, 109915, 121485, 153881, 156195, 177555, 197847, 218673, 228285, 233415, 319599, 329745, 364455, 461643, 532665, 593541, 769405, 989235, 1093365, 1384929, 1597995, 2308215, 2967705, 4154787, 6924645, 20773935]

約数ペア:

[(1, 20773935), (3, 6924645), (5, 4154787), (7, 2967705), (9, 2308215), (13, 1597995), (15, 1384929), (19, 1093365), (21, 989235), (27, 769405), (35, 593541), (39, 532665), (45, 461643), (57, 364455), (63, 329745), (65, 319599), (89, 233415), (91, 228285), (95, 218673), (105, 197847), (117, 177555), (133, 156195), (135, 153881), (171, 121485), (189, 109915), (195, 106533), (247, 84105), (267, 77805), (273, 76095), (285, 72891), (315, 65949), (351, 59185), (399, 52065), (445, 46683), (455, 45657), (513, 40495), (585, 35511), (623, 33345), (665, 31239), (741, 28035), (801, 25935), (819, 25365), (855, 24297), (945, 21983), (1157, 17955), (1197, 17355), (1235, 16821), (1335, 15561), (1365, 15219), (1691, 12285), (1729, 12015), (1755, 11837), (1869, 11115), (1995, 10413), (2223, 9345), (2403, 8645), (2457, 8455), (2565, 8099), (3115, 6669), (3471, 5985), (3591, 5785), (3705, 5607), (4005, 5187), (4095, 5073)]