20212064

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 41923728

約数和(自身を除く): 21711664

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 397, 592, 688, 794, 1184, 1376, 1588, 1591, 3176, 3182, 6352, 6364, 12704, 12728, 14689, 17071, 25456, 29378, 34142, 50912, 58756, 68284, 117512, 136568, 235024, 273136, 470048, 546272, 631627, 1263254, 2526508, 5053016, 10106032, 20212064]

約数ペア:

[(1, 20212064), (2, 10106032), (4, 5053016), (8, 2526508), (16, 1263254), (32, 631627), (37, 546272), (43, 470048), (74, 273136), (86, 235024), (148, 136568), (172, 117512), (296, 68284), (344, 58756), (397, 50912), (592, 34142), (688, 29378), (794, 25456), (1184, 17071), (1376, 14689), (1588, 12728), (1591, 12704), (3176, 6364), (3182, 6352)]