20969392

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:737

約数の個数: 40

約数和(自身を含む): 42632192

約数和(自身を除く): 21662800

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 631, 1072, 1262, 2077, 2524, 4154, 5048, 8308, 10096, 16616, 19561, 33232, 39122, 42277, 78244, 84554, 156488, 169108, 312976, 338216, 676432, 1310587, 2621174, 5242348, 10484696, 20969392]

約数ペア:

[(1, 20969392), (2, 10484696), (4, 5242348), (8, 2621174), (16, 1310587), (31, 676432), (62, 338216), (67, 312976), (124, 169108), (134, 156488), (248, 84554), (268, 78244), (496, 42277), (536, 39122), (631, 33232), (1072, 19561), (1262, 16616), (2077, 10096), (2524, 8308), (4154, 5048)]