20219904

素因数分解:

$2^{11}\times 3^2\times {\mathrm{1097}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 58452030

約数和(自身を除く): 38232126

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1097, 1152, 1536, 2048, 2194, 2304, 3072, 3291, 4388, 4608, 6144, 6582, 8776, 9216, 9873, 13164, 17552, 18432, 19746, 26328, 35104, 39492, 52656, 70208, 78984, 105312, 140416, 157968, 210624, 280832, 315936, 421248, 561664, 631872, 842496, 1123328, 1263744, 1684992, 2246656, 2527488, 3369984, 5054976, 6739968, 10109952, 20219904]

約数ペア:

[(1, 20219904), (2, 10109952), (3, 6739968), (4, 5054976), (6, 3369984), (8, 2527488), (9, 2246656), (12, 1684992), (16, 1263744), (18, 1123328), (24, 842496), (32, 631872), (36, 561664), (48, 421248), (64, 315936), (72, 280832), (96, 210624), (128, 157968), (144, 140416), (192, 105312), (256, 78984), (288, 70208), (384, 52656), (512, 39492), (576, 35104), (768, 26328), (1024, 19746), (1097, 18432), (1152, 17552), (1536, 13164), (2048, 9873), (2194, 9216), (2304, 8776), (3072, 6582), (3291, 6144), (4388, 4608)]