20345856

素因数分解:

$2^{10}\times 3^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 88

約数和(自身を含む): 56005920

約数和(自身を除く): 35660064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 179, 192, 222, 256, 296, 358, 384, 444, 512, 537, 592, 716, 768, 888, 1024, 1074, 1184, 1432, 1536, 1776, 2148, 2368, 2864, 3072, 3552, 4296, 4736, 5728, 6623, 7104, 8592, 9472, 11456, 13246, 14208, 17184, 18944, 19869, 22912, 26492, 28416, 34368, 37888, 39738, 45824, 52984, 56832, 68736, 79476, 91648, 105968, 113664, 137472, 158952, 183296, 211936, 274944, 317904, 423872, 549888, 635808, 847744, 1271616, 1695488, 2543232, 3390976, 5086464, 6781952, 10172928, 20345856]

約数ペア:

[(1, 20345856), (2, 10172928), (3, 6781952), (4, 5086464), (6, 3390976), (8, 2543232), (12, 1695488), (16, 1271616), (24, 847744), (32, 635808), (37, 549888), (48, 423872), (64, 317904), (74, 274944), (96, 211936), (111, 183296), (128, 158952), (148, 137472), (179, 113664), (192, 105968), (222, 91648), (256, 79476), (296, 68736), (358, 56832), (384, 52984), (444, 45824), (512, 39738), (537, 37888), (592, 34368), (716, 28416), (768, 26492), (888, 22912), (1024, 19869), (1074, 18944), (1184, 17184), (1432, 14208), (1536, 13246), (1776, 11456), (2148, 9472), (2368, 8592), (2864, 7104), (3072, 6623), (3552, 5728), (4296, 4736)]