20717632

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:735

約数の個数: 56

約数和(自身を含む): 45538136

約数和(自身を除く): 24820504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 673, 832, 962, 1184, 1346, 1924, 2368, 2692, 3848, 5384, 7696, 8749, 10768, 15392, 17498, 21536, 24901, 30784, 34996, 43072, 49802, 69992, 99604, 139984, 199208, 279968, 323713, 398416, 559936, 647426, 796832, 1294852, 1593664, 2589704, 5179408, 10358816, 20717632]

約数ペア:

[(1, 20717632), (2, 10358816), (4, 5179408), (8, 2589704), (13, 1593664), (16, 1294852), (26, 796832), (32, 647426), (37, 559936), (52, 398416), (64, 323713), (74, 279968), (104, 199208), (148, 139984), (208, 99604), (296, 69992), (416, 49802), (481, 43072), (592, 34996), (673, 30784), (832, 24901), (962, 21536), (1184, 17498), (1346, 15392), (1924, 10768), (2368, 8749), (2692, 7696), (3848, 5384)]