20255354880

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{329677}}^1$

素因数の和:329709

約数の個数: 104

約数和(自身を含む): 64809419952

約数和(自身を除く): 44554065072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 7680, 10240, 12288, 15360, 20480, 30720, 61440, 329677, 659354, 989031, 1318708, 1648385, 1978062, 2637416, 3296770, 3956124, 4945155, 5274832, 6593540, 7912248, 9890310, 10549664, 13187080, 15824496, 19780620, 21099328, 26374160, 31648992, 39561240, 42198656, 52748320, 63297984, 79122480, 84397312, 105496640, 126595968, 158244960, 168794624, 210993280, 253191936, 316489920, 337589248, 421986560, 506383872, 632979840, 675178496, 843973120, 1012767744, 1265959680, 1350356992, 1687946240, 2025535488, 2531919360, 3375892480, 4051070976, 5063838720, 6751784960, 10127677440, 20255354880]

約数ペア:

[(1, 20255354880), (2, 10127677440), (3, 6751784960), (4, 5063838720), (5, 4051070976), (6, 3375892480), (8, 2531919360), (10, 2025535488), (12, 1687946240), (15, 1350356992), (16, 1265959680), (20, 1012767744), (24, 843973120), (30, 675178496), (32, 632979840), (40, 506383872), (48, 421986560), (60, 337589248), (64, 316489920), (80, 253191936), (96, 210993280), (120, 168794624), (128, 158244960), (160, 126595968), (192, 105496640), (240, 84397312), (256, 79122480), (320, 63297984), (384, 52748320), (480, 42198656), (512, 39561240), (640, 31648992), (768, 26374160), (960, 21099328), (1024, 19780620), (1280, 15824496), (1536, 13187080), (1920, 10549664), (2048, 9890310), (2560, 7912248), (3072, 6593540), (3840, 5274832), (4096, 4945155), (5120, 3956124), (6144, 3296770), (7680, 2637416), (10240, 1978062), (12288, 1648385), (15360, 1318708), (20480, 989031), (30720, 659354), (61440, 329677)]